10x18x1 Exact MERV 7 AC Furnace Filters Number Per Box:12 In combination

In combination

Actual Size: 9_3/4 x 23_3/4 x 3/4 (9

Refrigeration and Air Conditioner Engineers)

We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy

Actual Size: 9 1/2 x 24 1/2 x 3/4 (9

10x18x1 Exact MERV 7 AC Furnace Filters Number Per Box:12 In combinationActual Size: 10 x 18 x 3 4 (10 x 18 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