A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and...

particulate air) filter, also known as high-efficiency particulate absorbing filter[citation needed] and high-efficiency particulate arrestance filter, is an...

Look up Filter, filter, filtering, or filters in Wiktionary, the free dictionary. Filter, filtering, filters or filtration may also refer to: Filter (higher-order...

A diesel particulate filter (DPF) is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine. Wall-flow diesel...

velocity stacks, tuned air box and large tubes from the filter to the engine. The short ram air intake is a form of aftermarket air intake for automobiles...

The NASA Clean Air Study was a project led by the National Aeronautics and Space Administration (NASA) in association with the Associated Landscape Contractors...

which filter all the air going into a clean room, must be arranged so that no air bypasses the HEPA filter. In dusty environments, a HEPA filter may follow...

respirators: the air-purifying respirator, in which respirable air is obtained by filtering a contaminated atmosphere, and the air-supplied respirator...

Filter paper is a semi-permeable paper barrier placed perpendicular to a liquid or air flow. It is used to separate fine solid particles from liquids or...

ventilating, and air-conditioning (HVAC) system. An air handler is usually a large metal box containing a blower, furnace or A/C elements, filter racks or chambers...

pollen filter. The air flow through the pollen filter leads to an increasingly poor air quality inside the vehicle. Especially in overloaded filters that...

ducts to distribute air cooled by an evaporator coil for air conditioning. The air supply is normally filtered through air filters to remove dust and pollen...

published to ensure that the gas is safe. It may also be necessary to filter the intake air, to remove particulates, and in some environments it may be necessary...

full throttle. The most basic cold air intake consists of a long metal or plastic tube leading to a conical air filter. Power may be lost at certain engine...

A fan filter unit (FFU) is a type of motorized air filtering equipment. It is used to supply purified air to cleanrooms, laboratories, medical facilities...

a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four or five HVAC particulate air filters that form a cube...

often a high-efficiency particulate air (HEPA) filter is impractical in residential central heating, ventilation, and air conditioning (HVAC) systems due...

A pneumatic filter is a device which removes contaminants from a compressed air stream. This can be done using a number of different techniques and tools...

integrated filtration company engaged in the production and marketing of air filters used in a variety of industry sectors, including commercial/industrial...

had all the particles of a given size distribution removed. For air filters that have air flowing through them, it is the fraction of particles (of a particular...

maybe derived from Thurman's blown-air design, relied upon just suction with air pumped through a cloth filter and was offered as part of his cleaning...

Ultra-low particulate air (ULPA) is a type of air filter. A ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any...

outside air must be allowed to push the warmer air within the house out through an exhaust opening such as an open door or window. Air filter Air purifier...

filter, a filter-cleaning system, and a dust receptacle or dust removal system. It is distinguished from air purifiers, which use disposable filters to...

Performance Rating (MPR) is an air filter rating system created by the company 3M. It rates the ability of an air filter to filter out micro particles. Because...

source of fresh air. The source of this fresh air is the "crankcase breather", which is usually ducted from the engine's air filter or intake manifold...

(also known simply as K&N) is a manufacturer of air filters, cold air intake systems, oil filters, performance parts, and other related products. K&N...

A cigarette filter, also known as a filter tip, is a component of a cigarette, along with cigarette paper, capsules and adhesives. Filters were introduced...

using a filter medium that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter medium are...

use. Some masks have one or two compact air filter containers screwed onto inlets, while others have a large air filtration container connected to the gas...