| 摘要 |
An innovative and improved box fan security grille cage designed to facilitate the integration of an air filter element and a generic box fan unit, to sift foreign air particles suspended in the air, and captured them in the incorporated air filter element mounted within a security grille-cage, thus improving the output air quality of the generic household box fan unit; household box fans improved with an incorporated air filter element Filtrair Box-Fan Grille System(TM) enabling it to cool or vent the habitat or storage area. As the air is vented, it transverse through the filter element, where most of the undesired particles in the air get lodge in the filter element fibers, to be dispose off by cleaning of filter element or through its replacement. The generic box fan and the air filter element are mounted within the innovative and improved box fan security grille cage, which is designed to facilitate the air filter element ease integration and removal, through easy access in conjunction with the generic box fan unit, to replace or clean the air filter element. From the box fan security grill cage mounting structure.
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