Whirlpool 1183054K HEPA Filter Collection includes the Original OEM Filter by Whirlpool and the After Market Compatible. These 1183054K HEPA Filters are replacement filters for Whispure Air Purifier Model AP450 and Whispure Air Purifier Model AP510. This Hepa Filter will also fits legacy Models AP350 and Ap300. Complete Model List: Whispure AP3003VK, AP35030H, AP45030H, AP45030K, AP45030R, AP45030S, AP4503VK, AP51030H, AP51030K, AP51030L, AP51030R, AP51030S Air Purifiers. Free Shipping.