What is the filter size 50? There are two main types of air filters, namely, dry and wet.1. the dry air filter is a filter that separates impurities from the air through a dry filter element (such as paper filter element). the filter element of the paper dry air filter is made of resin-treated micro-pore filter paper, filter paper is porous, loose and folded, with certain mechanical strength and water resistance, and has the advantages of high filtration efficiency, simple structure, light weight, low cost and convenient maintenance. Air filters for light vehicles such as domestic cars are generally single-stage, with flat circles or oval and flat plates in shape, filter materials are filter paper or non-woven cloth, and filter end caps are metal or polyurethane, the housing material is metal or plastic, and the original filtration efficiency of the filter element should not be less than 99.5% under the rated air volume flow. The engine of heavy vehicles or construction machinery must
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What is the front filter, the water purifier is installed, and it is necessary to install the front Front filter, 40 micron filtration accuracy, mainly intercepting suspended matter of sediment rust particles, protecting water appliances (especially water heaters), protecting the filter element of the water purifier installed behind, and prolonging the service life of the machine