Description
AC/Furnace filter for capturing household irritants, improving air quality, and promoting furnace efficiency; 20 x 25 x 1 inch filters, 6-pack.Merv 8 rating for residential use; comparable to MPR 600 and FPR 5.Captures allergens between 3-10 microns including lint, dust, and pollen.Beverage board frame, wire mesh support, and electrostatically charged synthetic filter material.For optimal results change filter every 60 to 90 days