| 摘要 |
An air filter used for the filtration of air for a central air and heating system with an internal cleaning apparatus fabricated for easy cleaning of particles from the air filter. This internal cleaning apparatus comprising a cylindrical member with protruding jets adjacent to each other around the mid perimeter of the cylindrical member. The jets receive the porous tubular members which are caped to abstain water form going out the ends. The cylindrical member has a circular posterior member which is affixed to the cylindrical member and is parallel to the circular face member which is unfixed to the cylindrical member. The circular face member has a centrally located female hose fitting protruding downward into the cylindrical member adjacent to the circular posterior member. The female hose fitting receives a male hose fitting, whereby allowing water to flow through the cylindrical member and out the porous tubular members. The porous tubular members are adjacent to the filter material thus cleaning particles from the air filter.
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