If you are replacing a Honeywell or Lennox 16x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3/8
order a custom size air filter
Nordic Pure 10x20x1 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
MERV 8 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600
Nordic Pure 10x20x1 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
20x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 14x24x2 If you are replacing aActual Size: 19 1 2 x 29 1 2 x 1 2 (19. 5 x 29. 5 x 0. 5) Captures large airborne particles like household dust, allergens, mold spores, pet dander and smoke particles. Ideal for customers with apartments, window units, campers, and RVs. Antimicrobial high capacity, polyester material with an added layer of smooth poly blend electrostatic filter media For filter installation the air enters thru the fuzzy, high loft side and exits out the thinner,