Nispira 8171434K Active Carbon Pre-Filters Replacement for Whirlpool Kenmore Air Purifier AP51030K, AP45030K, APR45130L, WP500, Progressive 335, 83230, 83355, Pack of 8

Premium large activated carbon pre filter compatible with Whirlpool Whispure Air Purifier. Compared to Whirlpool part 8171434 | Compatible model: AP51030K, AP45030K, WP500 series, WP1000 series, and APR45130L | Activated carbon pre filter remove any unfavorable household odor and traps the dust to extend life of HEPA filter | Suggest replacing the filter every 3 months the most to optimize the air purifier efficiency | 8 filters included. Dimension approx. 16.14 x 2.05 x 19.1". Quality meets or exceeds leading national brand