Eco-Aire P25S.0119P21H MERV 13 Pleated Air Filter, 19 7/8 x 21 1/2 x 1"

Merv 13 pleated air filter - recommended for allergy and asthma symptoms. Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters, these filters capture airborne particles/allergens less than 1 microns in size .dust & Lin, pet dander, dust mite, pollen, bacteria, allergen, smog, virus carriers. MERV 13 pleated filters are an ideal upgrade from standard disposable panel filters. Made in the frequency:60-90 days. Capacity: standard. Chemically treated: no. Rating: U.L. Class 2.this Filter is comparable to the 3m Filtrete dust & pollen: Filtrete 2000.