Winix Genuine Replacement Filter A for C535, 5300-2 and P300

Combing 99.97% True HEPA performance with Absorbing Carbon Pre-Filters, the A for P300 and 5300-2 Replacement Air Purifier HEPA Filter provides protection against smoke, dust, pet dander, pollen, and other allergens as small as 0.3 microns. HEPA, which stands for High Efficiency Particulate Arresting filter is recognized as the most effective method for removing contaminants and irritants from the air.