16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 6 Pack tents-&-tarps Tunnelized elastic face for comfortable

Tunnelized elastic face for comfortable

never store an electrode in distilled or deionized water

porosity and high cation-exchange capacity

Easy to clean and is non-corrosive

Ginormous effectively flips the switch in your plant

16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 6 Pack tents-&-tarps Tunnelized elastic face for comfortableImportant 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