20x25x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack vacuum 1) Simply remove the backing

1) Simply remove the backing paper

The SuperPonics 8-Plant Hydroponic Grow System Complete grows faster than any single method of hydroponics and more safely due to the fact that there are always two independent hydroponic grow systems operating at the same time

• Oil mist filter cap to capture exhaust

1" (484 mm)

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack vacuum 1) Simply remove the backingImportant 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 20x25x4 filter