20x21 1/2x1 Exact MERV 7 AC Furnace Filters Number Per Box:6 Actual Size: 17 1/4 x

Actual Size: 17 1/4 x 29 1/4 x 3/4 (17

Each time air passes through a Nordic Pure Pleated ASG activated carbon replacement furnace filter

Nordic Pure 14x25x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Nordic Pure 10x20x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 14x24x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

20x21 1/2x1 Exact MERV 7 AC Furnace Filters Number Per Box:6 Actual Size: 17 1/4 xActual Size: 20 x 21 1 2 x 3 4 (20 x 21. 5 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