20x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters Number Per Box:6 and electrostatic filter media

and electrostatic filter media

MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400

MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800

Nordic Pure 12x18x1 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

Nordic Pure 20x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

20x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters Number Per Box:6 and electrostatic filter mediaActual Size: 19 1 2 x 24 1 2 x 1 2 (19. 5 x 24. 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,