Filter fits Whirlpool 1183054K (1183054) PLASTIC FRAME Whispure Air Purifier Models AP350 AP450 AP510 AP45030HO 1183054 1183054K by LifeSupplyUSA Fits Whirlpool models AP350 AP450 and AP510 AP45030HO Helps effectively filter airborne irritants such as smoke, pollen, dust, mold spores, pet dander and fabric fibers. Brand New Individully Sealed !!! Does not fit any AllergyPro !!! This filter is only for Whirlpool Air Purifiers !!! By LifeSupplyUSA