12x12x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 1 Inch Since you can't return custom

Since you can't return custom sized air filters

Nordic Pure 12x20x1 MERV 7 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 3” MERV 12 Trion Air Bear Cub Replacement filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office

pet dander

12x12x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 1 Inch Since you can't return customActual Size: 11 1 2 x 11 1 2 x 1 2 (11. 5 x 11. 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,