2 Filters fits Whirlpool 1183051K PLASTIC FRAME By Vacuum Savings Fits Whirlpool air purifier models AP150 and AP250 Helps effectively filter airborne irritants such as smoke, pollen, dust, mold spores, pet dander and fabric fibers. Measures approximately 11 1/8 x 16 x 1 7/8 " Brand New Individually Sealed