20x20x1 Pleated MERV 14 Air Filters Number Per Box:12 We recommend that you change

We recommend that you change your AC air filter every 3 to 6 months

Trion Air Bear Replacement filters have a depth of 4 15/16" and ideal for helping keep equipment working efficiently and reducing odors

Nordic Pure 18x24x1 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

Nordic Pure 16x16x2 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

20x20x1 Pleated MERV 14 Air Filters Number Per Box:12 We recommend that you changeActual Size: 19 1 2 x 19 1 2 x 3 4 (19. 5 x 19. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV