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  2. The best air purifiers of 2025 - AOL

    www.aol.com/lifestyle/best-air-purifiers...

    One of tallest (nearly 24 inches) and heaviest (17.5 pounds) air purifiers tested, the Winix 5500-2 Air Purifier is ideal for small-to-medium rooms (up to 360 square feet), with a True HEPA filter ...

  3. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

  4. Smog tower - Wikipedia

    en.wikipedia.org/wiki/Smog_tower

    Smog towers or smog free towers (see below for other names) are structures designed as large-scale air purifiers to reduce air pollution particles . This approach to the problem of urban air pollution involves air filtration and removal of suspended mechanical particulates such as soot and requires energy or power.

  5. Air-free technique - Wikipedia

    en.wikipedia.org/wiki/Air-free_technique

    An ordinary glovebox, showing the two gloves for manipulation, with airlock on the right. The most straightforward type of air-free technique is the use of a glovebox.A "glove bag" uses the same idea, but is usually a poorer substitute because it is more difficult to purge, and less well sealed.

  6. Purifier - Wikipedia

    en.wikipedia.org/wiki/Purifier

    Purifier(s) may refer to: Air purifier , a device that filters pollution out of the air Water purification , removing contaminants from water, sometimes using a water purifier

  7. Airless tire - Wikipedia

    en.wikipedia.org/wiki/Airless_tire

    Bridgestone is developing the Bridgestone Air-Free Concept Tire, which can hold 150 kg (330 lb) per tire. [13] The Energy return wheel (ERW) has the outer edge of the tire connected to the inner rim by a system of springs. The springs can have their tension changed to vary the handling characteristics. [14] Hankook is developing the iFlex ...

  8. Air for Free - Wikipedia

    en.wikipedia.org/wiki/Air_for_Free

    Air for Free is the eighth studio album by Relient K, released on July 22, 2016, through Mono vs Stereo. [4] The album's lead single , "Bummin ' ", was released on April 13, 2016. [ 3 ] It is the first album since Five Score and Seven Years Ago (2007) to feature drummer Dave Douglas , though he is not credited as an official member.

  9. Freedom Air - Wikipedia

    en.wikipedia.org/wiki/Freedom_Air

    Freedom Air's leased Boeing 757-200 at Hamilton Airport, used on its inaugural flight in 1995 A Freedom Air Airbus A320-200 at Christchurch Airport in 2006. The airline was established in 1995 as a response to the commencement of discount services between Australia and New Zealand by Kiwi Travel International Airlines [2] and started operations on 8 December 1995 with a single Boeing 757-200.