21x23x1 Exact MERV 14 AC Furnace Filters 13x21 3/4x1 Nordic Pure 12x20x1 MERV 10

Nordic Pure 12x20x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

MERV 13 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200-2400

Actual Size: 10 x 12 x 3/4 (10 x 12 x 0

Nordic Pure 20x30x1 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

and electrostatic filter media

21x23x1 Exact MERV 14 AC Furnace Filters 13x21 3/4x1 Nordic Pure 12x20x1 MERV 10Actual Size: 21 x 23 x 3 4 (21 x 23 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 14 Pleated AC