21x21x1 Exact MERV 7 AC Furnace Filters Number Per Box:6 Actual Size: 19 x 21

Actual Size: 19 x 21 1/2 x 3/4 (19 x 21

Actual Size: 20 x 21 x 3/4 (20 x 21 x 0

Nordic Pure 16x24x4 MERV 8 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

MERV 13 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200-2400

21x21x1 Exact MERV 7 AC Furnace Filters Number Per Box:6 Actual Size: 19 x 21Actual Size: 21 x 21 x 3 4 (21 x 21 x 0. 75) Merv 7 pleated air filter captures large airborne particles like household dust, mold spores, and pollen. This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 7 is equivalent to MPR 600 Made in the USA. Nordic Pure MERV 7 Pleated AC Furnace Air Filters