16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Water Heaters Chillers Each shoe cover is low-linting

Each shoe cover is low-linting and sterilized to a 10⁻⁶ sterility assurance level (SAL)

What’s Included

if you connect it to a 240 Vac wall outlet all the four outputs will be 240Vac

Nordic Pure 10x20x2 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

Application Rate:

16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Water Heaters Chillers Each shoe cover is low-lintingImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 16x20x4 filter