1 N0150822 NUT(WITH WASHER) 2 Q1840830 BOLT HEXAGON FLANGE 3 AQ60118 ELASTIC CLAMP 4 A11-1109111DA CORE - AIR FILTER 5 A15-1109110 CLEANER - AIR Automobile air filter is an object to remove particulate impurities in the air in the automobile. Automobile air conditioning filter can effectively reduce pollutants entering the automobile through heating, ventilation and air conditioning system and prevent inhalation of pollutants harmful to the body. Automobile air filter can bring a cleaner interior environment to the automobile. Automobile air filter belongs to automobile supplies, which is composed of filter element and shell. The main requirements are high filtration efficiency, low flow resistance and continuous use for a long time without maintenance. Automobile air filter is mainly responsible for removing particulate impurities in the air. When piston machinery (internal combustion engine, reciprocating compressor, etc.) works, if the inhaled air contains dust and other impurities, it will aggravate the wear of parts, so it must be equipped with air filter. The air filter consists of a filter element and a housing. The main requirements of the air filter are high filtration efficiency, low flow resistance and continuous use for a long time without maintenance. Automobile engine is a very precise part, and tiny impurities will damage the engine. Therefore, before entering the cylinder, the air must be carefully filtered by the air filter before entering the cylinder. The air filter is the patron saint of the engine. The state of the air filter is related to the service life of the engine. If the dirty air filter is used in the driving of the car, the air intake of the engine will be insufficient, and the fuel combustion will be incomplete, resulting in the unstable operation of the engine, the decline of power and the increase of fuel consumption. Therefore, the car must keep the air filter clean.