20x20x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack commercial-greenhouse-fixtures Shoe covers are designed with

Shoe covers are designed with a non-skid sole that helps reduce the risk of slips or falls

Super quiet operation

therefore regulating CO2 uptake

It also features 11 different image filters and advanced image settings within the software

Application Tips:

20x20x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack commercial-greenhouse-fixtures Shoe covers are designed withImportant 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 20x20x4 filter