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MANY FILTERS, ESPECIALLY FOR VENTILATION AND AIR CONDITIONING SYSTEMS FOR VEHICLES AND CLOSED ROOMS, PROVIDE WITH EFFECTIVE CONTROL MEANS.
MANY FILTERS, ESPECIALLY FOR VENTILATION AND AIR CONDITIONING SYSTEMS FOR VEHICLES AND CLOSED ROOMS, PROVIDE WITH EFFECTIVE CONTROL MEANS.
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机译:许多过滤器,特别是用于车辆和封闭式房间的通风和空调系统,都提供有效的控制装置。
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摘要
A multiple filter unit in the form of a complete interchangeable unit for insertion into a motor vehicle interior ventilation duct, or into the mouth of air conditioners or into suction-producing apparatus for closed environments, including a rigid casing provided with retention and sealing means, a series of filter elements and/or chemical products and/or electrostatic filtering devices disposed in a predetermined order for filtering solid particulate matter, mists and air pollutant gases, and means for checking the degree of efficiency.
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