12x30x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters Number Per Box:6 Since you can't return custom

Since you can't return custom sized air filters

For example

Nordic Pure 10x24x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Actual Size: 11 1/2 x 17 1/2 x 3/4 (11

Nordic Pure 12x20x2 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

12x30x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters Number Per Box:6 Since you can't return customActual Size: 11 1 2 x 29 1 2 x 1 2 (11. 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,