Definition of air filter
- Once the air is returned to the furnace fan, it is pulled through air filters to remove dust and dirt.
- —James L. Kittle, Home Heating and Air Conditioning Systems, 1990
- On older carburetor-equipped vehicles, the air filter is located in the housing on top of the engine.
- —Vyvyan Lynn and Tony Molla, The Complete Idiot’s Guide to Auto Repair, 2007