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Aboriginal-Australian Fellowship, a Sydney-based Indigenous rights organisation, 1956−1969. Alliance of American Football, a defunct 2019 United States professional American football league. Amateur Athletic Foundation, the former name of the LA84 Foundation, a Los Angeles-based nonprofit. American Advertising Federation, a U.S. trade ...
HEPA ( / ˈhɛpə /, high-efficiency particulate air) filter, [1] also known as high-efficiency particulate absorbing filter [citation needed] and high-efficiency particulate arrestance filter, [2] is an efficiency standard of air filters. [3] Filters meeting the HEPA standard must satisfy certain levels of efficiency.
N95 respirator. An N95 respirator [1] is a particulate-filtering facepiece respirator or elastomeric filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 classification of air filtration, meaning that it filters at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 ...
In the filtration realm, Daikin acquired American Air Filter (AAF) in 2007, and Flanders in 2016. The resulting entity is known both as AAF International and AAF Flanders. In 2008, Daikin purchased a 75% share of All World Machinery Supply based in Roscoe, Illinois. In 2009, Daikin Airconditioning Philippines was established.
Website. pureoil .com. MANN+HUMMEL Purolator Filters LLC, more commonly known as Purolator, is an American manufacturer of oil and air filters, based in Fayetteville, North Carolina. Since 2013, it has been a subsidiary of German filter manufacturer Mann+Hummel. Purolator manufactured and sold the first commercially available automotive oil ...
A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and bacteria from the air. Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compounds or ozone. [1]
Allis-Chalmers was a U.S. manufacturer of machinery for various industries.Its business lines included agricultural equipment, construction equipment, power generation and power transmission equipment, and machinery for use in industrial settings such as factories, flour mills, sawmills, textile mills, steel mills, refineries, mines, and ore mills.
Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers ( ASHRAE) to report the effectiveness of air filters in more detail than other ratings. For example, often a high-efficiency particulate air ( HEPA) filter is ...