17x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters Number Per Box:12 Nordic Pure’s 16x25x3 MERV 12

Nordic Pure’s 16x25x3 MERV 12 Air Bear Cub Replacement Plus Carbon air filter is meant to replace the air condition filter for any system that requires a 3” depth

Actual Size: 15 1/2 x 19 1/2 x 3/4 (15

HVAC systems should be rated to handle filters of MERV 15 and above

MERV 8 Trion Air Bear replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 800

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

17x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters Number Per Box:12 Nordic Pure’s 16x25x3 MERV 12Actual Size: 17 x 21 x 3 4 (17 x 21 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic