Nispira True HEPA Filter (Small) with 4 Pre-Carbon Filters Compatible with Whirlpool Whispure Air Purifier Models AP150 AP250 AP25030K APR25530L Compared to Part # 1183051 1183051K Small Filter. 1 Set

** This is NOT the big filter. DOES NOT FIT OTHER MODELS EXCEPT AP150, AP250, AP25030K, APR25530L, APR25130L. Please check your model to make sure this is compatible. | Compatible with Whispure Air Purifier models AP150, AP250, AP25030K, APR25130L, and APR25530L. | High quality HEPA filter capture 99.97% of airborne particles down to 0.3 microns. Activated carbon Pre-filter removes any unfavorable household odor and traps the dust | 1 set of filter included. Dimension 11.20 x 16" x 2". Quality meets or exceeds leading national brand | Easy to install. Suggest to replace the filter every 6 months the most to optimize the performance.