19x21 1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 5 and 6-inch thick filters

5 and 6-inch thick filters could last up to 6 months

Nordic Pure 15x20x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Actual Size: 17 x 34 3/4 x 3/4 (17 x 34

Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 15 are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Replaces Honeywell 16x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for helping keep equipment working efficiently and reducing odors

19x21 1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 5 and 6-inch thick filtersActual Size: 19 x 21 1 2 x 3 4 (19 x 21. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 7 is equivalent to MPR 600 Made in the USA. Nordic Pure