16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack water-filtration The added benefit of a

The added benefit of a fibrous peat moss and coarse perlite makes this formulation ideal for growers demanding a superior quality product adapted to their needs for watering flexibility and crop seasonality

Minimum Order Quantity is of 3 pieces

The results are circling roots or roots that grow out of the bags

Fabricated with all high quality components

making it great for farmers with smaller tanks

16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack water-filtration The added benefit of aImportant 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