LifeSupplyUSA 16.13x18.9x1 Replacement HEPA and 4 Carbon Pre-Filters Set Fits Size 25 WinixP450 B451 Air Purifiers ER485

Harmful pollutants and irritants in your home's air can disrupt your quality of life. Keep your home fresh with replacement HEPA filters and rid your air of dust， smoke， pet dander， pollen， mold and more. Does just the thought of springtime make you sneeze. Arm yourself with HEPA and battle pollen， ragweed， and grass allergies to help prevent seasonal allergies. A HEPA filter can reduce the amount of pet hair and dander in your air， so you can breathe easy around your pets. Unpleasant odors from cooking， smoke， pets or other projects can linger in your home. HEPA filters can help keep your home smelling its freshest. HEPA filters can remove particles 0.3 microns in size， improving your home's air quality and reducing the spread of sniffles and sneezes.

Includes 1 HEPA and 4 carbon pre-filters (1-year supply); compatible with filter E， # 113250

Compatible with size 25 Winix FresHome air purifier models P450 (113200) and B451 (113201)

True HEPA filtration captures particles as small as 03 microns， while carbon pre-filters trap larger particles and absorb unwanted odors

For maximum efficiency， recommended changing HEPA filter once every 12 months， and carbon pre-filters every 3 months