Our True HEPA Filter Replacement is specifically designed to fit Whirlpool 1183054K Air Purifier models AP51030K, AP45030K, APR45130L, AP300, and AP350. Our factory produces high-quality air purifier filters that effectively capture 99.97% of airborne particles as small as 0.3 microns, including dust, pet dander, pollen, and cigarette smoke. Our filters are made with a premium activated carbon layer that absorbs odors and harmful gases, providing you with clean and fresh air. Replace your filter every six months for optimal performance, and enjoy healthier and cleaner air in your home or office. Trust our factory for reliable and affordable air filter replacements today!