NEBELR AIR PURIFIER IONIZER - Original Negative Ion generator from Japan producing 10 Million Negative Ions kills 99.9% of viruses & bacteria, and removes harmful dust particles like PM2.5, PM10, etc from air and makes it cleaner to breathe. Relief for those who suffer from allergies, cough, sneezing & cold. It …Air Purifiers Plug In for Home, Mini Odor Eliminator丨Ozone Negative Ion Dual Function丨Ionizer to Remove Smoke Pet Smell, Portable Deodorizer Freshener Cleaner for House Bedroom Bathroom Kitchen 4.0 out of 5 stars 1,611The hOmeLabs 4-in-1 Compact Air Purifier is a simple yet sleek model. It features a box-like design, with the entire lower portion dedicated to the air intake and inlet holes on all sides. The fan of the HME020020N pulls in the air and forces it …Ionizer Air Purifier/Plug In Air Purifier Ion Generator with Highest Output - Up to 32 Million Anions/Sec,Portable Filterless&Ion Air Purifier for Purify: Odors,Pets Smell Etc (5-Pack) 3.8 out of 5 stars. 552. 400+ bought in past month. $68.99 $ 68. 99. $15.00 coupon applied at checkout Save $15.00 with coupon.But what exactly is an ionizer? Are ionic air purifiers safe to use? And should you invest in a product that has one? Keep reading “ Should I use the ionizer on my air …How Filters Work - Gas mask filters are used to remove poisonous chemicals and deadly bacteria from the air. Learn about gas mask filters and particle filtration. Advertisement Bec...Apr 26, 2019 ... NOTE: See Our New #1 Air Purifier Pick (Veva 9000) - https://amzn.to/3I10K1F Wondering what the difference is between an air purifier vs ... Air purifiers employing HEPA filters -- defined by the US Department of Energy as high-efficiency particulate air filters that are capable of removing at least 99.97% of airborne particles with a ... In addition to its benefits, it can produce ozone, which is potentially dangerous for people’s health, particularly for children and elders. These ionizers include a Molekule Air Purifier. 3. Air Purifier with Ionizer. Ionizer air purifiers combine conventional air purification techniques. They usually use filters for larger particles, and ...The BISSELL air320 air purifier can help you tackle mold and remove mold spores from the air. This purifier has a HEPA filter that captures 99.7% of particles as small as 0.3 …You can buy a 28-inch Ionic Pro Turbo Air Purifier from Wal-Mart for $180. An online company called Heaven Fresh sells the table-top XJ-2000 ionic air purifier for about $50. The claims: According ...This item: Negative Ion Generator Ionizer Air Purifier For Home and offices Air Cleaner Removes Virus Formaldehyde Smoke Dust Purification Room Deodorize remove virus ₹2,789.00 ₹ 2,789 . 00 In stockApr 24, 2019 · For simplicity, we will refer to all these types of ionizing air purifiers as “ionizers.”. Ionizers use high voltage to give an electrical charge (usually negative) to either particles that move through the ionizer, or to molecules in the air. These charged molecules are called ions, and the ions will then stick to particles. Jun 7, 2019 · Ionizer air purifiers are a popular type of air purifier that uses negative ions to reduce the amount of airborne pollutants in a room. Negative ions are simply oxygen atoms with an extra electron, and when they are released into the air by an ionizer air purifier, they seek out and bond with airborne particles that are positively charged. This item: Holmes Desktop HEPA-Type Filter & Optional Ionizer, Air Purifier, Cream. $4987. Colorfullife 4 True HEPA + 8 Pre Filter Compatible With Holmes AER1 Allergen Remover Filter, Replacement Parts # HAPF300AH-U4R, HAP242-NUC. $2399.The Halonix Shield Ionizer Air Purifier efficiently reduces 90% PM 2.5 & PM 10. Breath clean and fresh air even while driving. The Halonix Shield Ionizer Air Purifier releases high-density ions that damage bacterial protein and thereby results in the destruction of 99% bacteria and germs. Perfect for a work place.Hoover Air Purifier 500 - HEPA Air Purifier with Diffuser, Removes 99.97% of Allergy Particles, Pollen, with Fast-Acting H-TRIFILTER Filtration System, Bluetooth Connectivity. £113.04 Check price ...Mitsubishi equips purifier air filters in all their vehicles, including the Outlander. The purifier air filter is also called the cabin air filter and is installed behind the passe...The Coway Airmega AP-1512HH review: Performance. The Coway Airmega AP-1512HH achieved a CADR rating of 247.5, 232.3, and 241.3 for smoke, dust and pollen respectively and consequently advertizes a ...Matador’s gear guide for the best rafting trip, including tent, air mattress, dry bags, solar charger, water purifier, cooler, camp stove, and sandals. Whether you are joining an o...Overview. The Xiaomi Mi Air Purifier 3C is a great budget option that can tackle the likes of cigarette smoke, airborne dust, mould and spores, as well as germs and virus. It utilises a True HEPA filter to eliminate 99.99% of particles as small as 0.3 microns.This item: Negative Ion Generator Ionizer Air Purifier For Home and offices Air Cleaner Removes Virus Formaldehyde Smoke Dust Purification Room Deodorize remove virus ₹2,789.00 ₹ 2,789 . 00 In stockA whole house air purifier is a unit that a technician installs directly into your HVAC (Heating, Ventilation, and Air Conditioning) system. Whole house air purifiers can also be models with coverage for large spaces, such as a purifier for over 2,500 square feet, about the size of most three to four-bedroom homes.Jul 30, 2021 ... will clump together the ultrafine particulates that are normally too small for a HEPA filter to catch. Ionization causes the tiny dust particles ...Clean the air purifier regularly to prevent the dust accumulation. 1. Use soft and dry clothes to remove the dust from the air purifier. 2. Use soft and dry clothes to clean the outlet and inlet of the air purifier. Clean the air quality sensor Clean air quality sensor every two-month to ensure best performance.Blue Star Air Purifiers are designed to reduce or eliminate air pollutants inside closed door environments, thereby ensuring high indoor air quality. ... PM2.5 LED Display, Purification Filter Type HEPA+Active Carbon+Ionizer, Purification stages- 3 ; MRP (Rs.) 10490 ; Coverage Area- 300 Sq.Ft., Number of Fan Speed: 3, Silent mode ; Powerful CADR …1 / 5. via homedepot.com. Best All-Around Air Ionizer. Shop Now. Besides getting rid of 99.9 percent of nanoparticles that pollute your indoor environment, the slim …The Dyson TP04 Pure Cool Air Purifier is a compact unit featuring their patented bladeless technology. It has a two-level filtration system that can filter 2.5-micron particles. The Dyson TP04 Pure Cool Air Purifier is a feature-packed unit with an Air Quality and Filter Change indicator, as well as an Ionizer.iWave and NuShield ionizers benefits homeowners, as well as schools, restaurants, medical offices and other types of businesses. *iWave and NuShield devices use multiple data points to formulate performance validation statements. The technology is used in a wide range of applications across diverse environmental conditions.An air ionizer is a type of air purifier. Still, in this article, the term "air purifier" refers to HEPA air purifiers and the term "air ionizer" refers to ionic air purifiers. Air ionizers use negatively charged ions that transfer their charges to air pollutant particles in the environment, causing them to stick together and eventually fall to ...Clarifion - DSTx Portable Air Purifier - Plug In Air Ionizer HEPA Filter, Mini Personal Air Purifiers For, Bedroom and Pets Helps With Smoke, Airborne Dust and Odors. dummy. HERAVAC OG75 Ozone Generator Machine - Advanced Ionizer for Smoke Elimination, Room Deodorization, and Odor Neutralization (7,500 …Jul 30, 2021 ... will clump together the ultrafine particulates that are normally too small for a HEPA filter to catch. Ionization causes the tiny dust particles ...$180 at Amazon. 3. Most Splurge-Worthy Air Purifier. Dyson Purifier Humidify+Cool Formaldehyde. $824 at Amazon. 4. Most Innovative Air Purifier. Levoit …The main difference between an ionizer air purifier and other types is that ionic models use these ions to remove airborne contaminants, while others mechanical filtration. And Ionic air cleaners emit ozone to get the job done. There are 2 main types of ionizer air purifiers. Let’s take a brief look at each one: Electrostatic Precipitator Ionizer.Ionizers are also called “ionizer air purifiers,” “ionizing air purifiers,” “air ionizers,” “ion generators” and “ionic air purifiers.” Additionally, there are air purifiers called “electrostatic air purifiers,” or …I was checking the air quality at my California abode the other day, and the first website I went to said the Air Quality Index was a lovely 40 or so. That seemed strange, given ho...Dyson Purifier Cool™ TP07 (Black/Nickel) 4.4 stars out of 5 from 1314 Reviews. 1314 Reviews. Automatically senses, captures and traps pollutants. Re-engineered to deliver cleaner air. Control with remote, MyDyson app, voice services.⁵. H 41in x L 4.72in x W 8.7in. Color: Nickel / Black.If the air in your home is clean, chances are you and your family will be healthier. Germs, microbes, and dust can make your home’s air dirty and cause your family to become sick. ...Feb 21, 2024 · Not as effective at clearing large particles (pet hair) Power cord could be a little longer. The Levoit Core Mini Air Purifier is small—measuring 6.5 x 6.5 x 10.4 inches— and is designed to clear the air in spaces up to 337 square feet, so it's ideal for use in smaller spaces, such as a bedroom, den, or office. The Blue Pure 511 has a CADR of 112 cfm for smoke, pollen and dust, claims to cover up to 432 square feet of space and retails for only $100 at the time of this publication. It features a HEPA ...Ionizers in air purifiers can help reduce allergens and odors in indoor spaces. Negative ions emitted by ionizers attach to airborne particles, making them heavier and causing them to fall to the ground or be trapped by filters. Ionizers may produce ozone, a harmful gas that can irritate the respiratory system and worsen asthma symptoms. ...Sep 28, 2022 · Air Purifier Ionizers. The most common type of air ionizer is the ionizer air purifier. These devices use ionization and other technology to capture and eliminate particles, cleaning the air in the process. Typically, these air purifiers will have a HEPA filter, carbon filter, and maybe a pre-filter on top of an ionizer. Clarifion - DSTx Portable Air Purifier - Plug In Air Ionizer HEPA Filter, Mini Personal Air Purifiers For, Bedroom and Pets Helps With Smoke, Airborne Dust and Odors. dummy. HERAVAC OG75 Ozone Generator Machine - Advanced Ionizer for Smoke Elimination, Room Deodorization, and Odor Neutralization (7,500 …Portable air cleaners with a HEPA filter are a tried and true solution, says Shaughnessy. “A HEPA filter is one that is defined by its performance,” he says, “which means it is 99.97 percent effective at removing 0.3-micron particles. And it’s even more efficient at particle sizes slightly higher than that.A HEPA air purifier operates by sucking air into the device through a dense, physical filter that traps airborne contaminants like dust, allergens, mold spores, bacteria, and smoke. An Ionizer operates by sending out electrically charged ions into the air that bond with harmful impurities.Buy Honeywell Air Touch V4 Air Purifier with H13 HEPA, Anti-Bacterial Filter, UV-C LED & Ionizer Portable Room Air Purifier for Rs.19299 online. Honeywell Air Touch V4 Air Purifier with H13 HEPA, Anti-Bacterial Filter, UV-C LED & Ionizer Portable Room Air Purifier at best prices with FREE shipping & cash on delivery. Only Genuine Products. …Nebelr Car Air Purifier Ionizer - 10 Million Negative Ions - Kills 99.9% Viruses - Removes PM2.5 - Dust - Portable - Designed in Japan (Black JET) 4.1 out of 5 stars 855 Deal of the Day Why Ionic? Best air purifier for allergies and pets. Captures 99.97% of dust and allergens as small as 0.3 microns. Remove all particulars such as airborne pollutants, pet dander, pollen, dust mites, mold spores, odors, and household dust. Freshest Air by The world's best air purification technologies. #45,106 in Car & Motorbike (See Top 100 in Car & Motorbike) #38 in Air Purifiers & Ionizers: Date First Available : 31 October 2022 : Packer : Hero Electronix Pvt. Ltd., 503, Rectangle-1, D4, Saket District Center, New Delhi 110017 : Importer : Hero Electronix Pvt. Ltd., 503, Rectangle-1, D4, Saket District Center, New Delhi 110017 : Item ...Combine your air conditioner with the AQtiv-Ion Ionizer Kit to provide a healthier indoor environment. The ionizing air purifier combines with your air conditioning system, eliminating the need for its fan and utilizing the airflow from the air conditioner instead. As a result, the AQtiv-Ion Kit has a low impact on noise levels and energy ...In the market for a new Daikin air conditioning unit to keep your home cool and comfortable? Here’s what to expect from Daikin’s air conditioning costs. Expert Advice On Improving ... Best Sellers in Home Air Ionizers. #1. Clarifion - Air Ionizers for Home (3 Pack), Negative Ion Filtration System, Quiet Air Freshener for Bedroom, Office, Kitchen, Portable Air Filter Odor, Smoke Dust, Pets, Eliminator, Mini Air Cleaner. 12,389. 4 offers from $104.98. #2. 1-16 of 976 results for "Ionizer Air Purifiers" Results. Price and other details may vary based on product size and color. Overall Pick. POMORON MJ002H 4-in-1 Air Purifiers …Overview. The Xiaomi Mi Air Purifier 3C is a great budget option that can tackle the likes of cigarette smoke, airborne dust, mould and spores, as well as germs and virus. It utilises a True HEPA filter to eliminate 99.99% of particles as small as 0.3 microns.Allextreme AEX-02 Car Air Purifier Negative Ions Ionizer Portable Mini Travel USB Air-Freshener with HEPA Filter to Remove Odor Smell Bacteria and Allergen (4.2W) 2.7 out of 5 stars 38 ₹1,019 ₹ 1,019Air quality sensor, intelligent sensing to detect air quality inside the car and displaying humidity, temperature and air quality<br> Vantro Smart Car Air Purifier purify air all around 360 degrees. Wind goes through from the floor and comes out from the top, creates high concentration of upto 10 million negative ions which kills 99% of Viruses, Germs and … Air Ionizers; Charcoal Air Purifiers; Electrostatic Air Purifiers; HEPA Air Purifiers; Travel-Size Air Purifiers; Floor Area. Up to 206 ft² ... PureMate Ionic Air Purifier with Ioniser Protecting Against Airborne, Allergens, dust Pollen, Asthma Allergies, Personal Desktop Air Cleaner For Home or Work, Eliminates all Germs, 4 Watts. 1,283. 100+ bought in past month. £2699. FREE delivery Mon, 23 Oct. Or fastest delivery Tomorrow, 21 Oct. Small Business. More buying choices.The air purifier model HAP242B-U has an ionizer feature. It is called 'optional ionizer' because it can be turned on/off depending on your personal preference.Car Air Purifier Ionizer that will sustain a healthy and euphoric aroma in your car - Times of India "Admit it - you cannot take chances with your health vis-a-vis prevailing pollution in India. Especially, if you are driving daily for 30-120 mins, there is a good chance that you get exposed to dangerous pollutants. To keep a check on this, get the Nebelr Air Purifier …An air purifier with an ionizer might come with some extra expenses. Still, it's your best bet if you need to kill off your allergies. You really can't go wrong with this type of air purifier if you have allergies specifically. I trust this article was helpful in describing how an ionizer air purifier works.In the early 2000s the Ionic Breeze ionizing air purifier was sold by Sharper Image in shopping malls across the U.S. It was a new way of using technology to purify air, and for a while many people bought into the hype. But Consumer Reports tested the Ionic Breeze and found it ineffective at purifying air (and later, potentially dangerous ...7. Austin Air HealthMate (B400B1) – Best for Cooking Odors and Pesky Kitchen Smell. Austin Air HealthMate Standard B400B1 air purifier has a lot of hype in the market. It is the best air purifier for odor control as it has gained a lot of titles for its amazing performance.Air purifiers are fundamentally simple machines—little more than a fan and a filter. Yet a well-designed purifier can capture virtually all airborne allergens, such as pollen and …Nebelr Car Air Purifier Ionizer is the strongest Ionizer in its segment from Japan., AIR PURIFIER FOR CAR – Nebelr from Kyoto Machines, Japan, original manufacturers for Air Ionizer producing 10 Million Negative Ions, kills 99.9% of viruses & bacteria, and removes dust particles like PM2.5, PM10, etc and makes …Air Purifier Necklace, Portable Air Purifier,Personal Negative Ion Generator Around The Neck, Remove Smoke Smell/Pet Smell Rechargeable Ionizer Air Purifier for Bedroom Car Outdoor : Item Weight : 43 g : Item Dimensions LxWxH : 8 x 3.5 x 2.3 Centimeters : Net Quantity : 1.00 count : Included Components : Air Purifier Necklace : Generic Name ...by Boneco - Ionic Pro Platinum - Negative Ion Air Purifier Tower - Truly Silent Operation – High Performing Unique No Filter Design - Removes Odors, Smoke, Mold, Pet Dander - 500 Sq Ft Capacity. 4.3 out of 5 stars. 321. $234.99 $ 234. 99. FREE delivery Mar 15 - 18 . Overall Pick. Amazon's Choice: Overall Pick Compared to alternative products for this …Dec 19, 2023 ... Our pick: Coway Airmega AP-1512HH Mighty. Our pick for best air purifier overall, the Coway Airmega AP-1512HH Mighty,.With 360 degrees of air intake through 6-stage filtration including UV Light Protect, this air purifier works to pull in and purify air in every direction. Filters the air in a 175 sq. ft. space in just 12.5 minutes (4.8 air changes per hour based on AHAM recommended removal rate) or a space up to 848 sq. ft. in 60 minutes.Ionizers don’t destroy odors and gases, including volatile organic compounds (VOCs). VOCs are released from products like paints, cleaning supplies, and adhesives. VOCs are considered to be indoor pollutants and may cause health problems. Unfortunately, ionizers are ineffective for reducing … See moreIn the market for a new Daikin air conditioning unit to keep your home cool and comfortable? Here’s what to expect from Daikin’s air conditioning costs. Expert Advice On Improving ...Mar 17, 2023 · 6. Envion Therapure TTP50. The Envion Therapure TTP50 is another high-quality pluggable air purifier that offers some of the best features in a compact design. Unlike other models in the list, the Envion stands out with its unique internal fan that helps circulate the air for faster purification. Levoit Tower Pro True HEPA Air Purifier. Levoit. 10. $299.99. When purchased online. of 8. Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8. Shop Target for ionizer air purifier you will love at great low prices. Choose from Same Day Delivery, Drive Up or Order Pickup plus free shipping on orders $35+.Buy Ionic Air Purifiers Online. It’s time for you to get rid of all the impurities from your home and breathe healthy, hygienic air by bringing home the best ionizer air purifier. You can browse through the different types of ionic air purifiers online from top brands such as - Kent, Sharp, Daikin, Eureka Forbes, Moonbow, BPL, Prestige, and more.The ionization energy for hydrogen is 1312 kilojoules per mole. This is the same as the ionization potential and is the energy required to remove one electron from the atom. Hydrog...Price Plans & Customer Service. On Amazon you can purchase: Clarifion Plug-In Air Ionizer - $39.99; Aer Clear 3 Stage HEPA Home Air Purifier - $79.99; Clarifion DSTx - $39.99; You can email Clarifion support at [email protected].The BBB lists their phone number as (866) 211-0306. POMORON MJ002H 4-in-1 Air Purifiers for Home, H13 True Hepa Filter, Air Ionizer Negative Ion Generator and UV, Filter 0.3 Microns Particles Such As Smoke Dander Air Cleaner for Bedroom Office, Black $49.99 $ 49 . 99 NEBELR AIR PURIFIER IONIZER - Original Negative Ion generator from Japan producing 10 Million Negative Ions kills 99.9% of viruses & bacteria, and removes harmful dust particles like PM2.5, PM10, etc from air and makes it cleaner to breathe. Relief for those who suffer from allergies, cough, sneezing & cold. It …Function, Specification, Package & Loading Qty, Certficate. Negative ion & UV light. True HEPA filter. Activated carbon filterTraditional air purifiers are not enough to combat bacteria, mold, and viruses. Skip to product information. The ionbox 20m is our flagship and award winning negative ion generator, releasing up to 20 million negative ions per second for cleaner, safer and healthier indoor air. Suitable for rooms up to 500 sq ft. $99.95 USD $89.95 …As well as looking at where each purifier was made, I also made sure each unit came with the following features: HEPA Filtration – Widely considered the benchmark of a quality filter, High-Efficiency Particulate Air filters are guaranteed to capture 99.97% of airborne particles as small as 0.3 microns in size. Activated Carbon Filters – These filters …Simply control every device in your home through the CHERRY IoT Solutions App by swipe of a finger or voice commands anytime, anywhere.Jul 30, 2021 ... will clump together the ultrafine particulates that are normally too small for a HEPA filter to catch. Ionization causes the tiny dust particles ...
Mar 14, 2022 · How They Work. Many air purifiers work through a system of filtration to remove particles from the air and recirculate clean air. The exact mechanism of how this is done can differ between different brands and types of air purifiers. In its basic form, an air purifier includes a fan that draws in nearby air. . Jack rabbit running
4 days ago · Buy it if. You want a strong air purifier: This air purifier achieved an average CADR of 360 across dust, smoke and pollen — the highest rating of those I tested. By comparison, the Dyson Pure ... Feb 7, 2022 ... How Ionic Air Purifiers Work. How ionizer works. Ionic purifiers are a modern creation that don't require traditional filters. Instead, they ...Function, Specification, Package & Loading Qty, Certficate. Negative ion & UV light. True HEPA filter. Activated carbon filterDec 12, 2023 · Air purifiers work to trap particles in a filter. Ionizers work by charging the particles so that they stick to surfaces in the room. Air purifiers clean the air by drawing in dirty air and cleaning it through filtration. The filter captures any particles in the air, including dust, pollen, mold, and bacteria. An air purifier can effectively eliminate odours from your room. Some purifiers also include a filter-change indicator which notifies you when to replace the filter. The ion booster present in certain air purifiers releases about three million negative ions per cubic centimetre which helps purify the air that comes out.Ionizers in air purifiers can help reduce allergens and odors in indoor spaces. Negative ions emitted by ionizers attach to airborne particles, making them heavier and causing them to fall to the ground or be trapped by filters. Ionizers may produce ozone, a harmful gas that can irritate the respiratory system and worsen asthma symptoms. ...With the increasing concerns about water quality and safety, investing in a water purifier for your home has become essential. However, with so many options available on the market...Oct 6, 2021 · SilverOnyx Four-in-One compact air purifier silently and efficiently purifies the air while reducing odors in a matter of minutes. We love that it’s compact and lightweight so you can place it almost anywhere — on an end table, bedside table or the kitchen counter. The four-stage filtration system ionizes, grabs hold of large particles ... Apr 3, 2023 · The costs of filters vary widely: In our tests of large air purifiers, they range from $20 to more than $200. Filters with odor-removing carbon can cost as much as $50. Clear Air Delivery Rate ... The Dyson TP04 Pure Cool Air Purifier is a compact unit featuring their patented bladeless technology. It has a two-level filtration system that can filter 2.5-micron particles. The Dyson TP04 Pure Cool Air Purifier is a feature-packed unit with an Air Quality and Filter Change indicator, as well as an Ionizer.Feb 7, 2022 ... How Ionic Air Purifiers Work. How ionizer works. Ionic purifiers are a modern creation that don't require traditional filters. Instead, they ...The main difference between an ionizer air purifier and other types is that ionic models use these ions to remove airborne contaminants, while others mechanical filtration. And Ionic air cleaners emit ozone to get the job done. There are 2 main types of ionizer air purifiers. Let’s take a brief look at each one: Electrostatic Precipitator Ionizer.OION Technologies B-1000 Permanent Filter Ionic Air Purifier Pro Ionizer with UV-C Bulb Breathe Fresh . An internal carbon filter absorbs and reduces smoke and pet odors. Replacement carbon filters are economically priced with average lifespans of 6-12 months months depending on usage.iWave-R is the world's first self-cleaning needlepoint bipolar ionization generator designed specifically for residential duct A/C systems.Air Purifier Necklace, Portable Air Purifier,Personal Negative Ion Generator Around The Neck, Remove Smoke Smell/Pet Smell Rechargeable Ionizer Air Purifier for Bedroom Car Outdoor : Item Weight : 43 g : Item Dimensions LxWxH : 8 x 3.5 x 2.3 Centimeters : Net Quantity : 1.00 count : Included Components : Air Purifier Necklace : Generic Name ...Learn how to choose the best ionic air purifier for your home or office space from a list of top-rated models with different features and benefits. Compare prices, …Rent the LightAir IonFlow Evolution LAIFSU3 air purifier with ionization technology at BIYU. Remove dust, pollen, allergens and pollutants from the air and ....