16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Cone Filler When used preventatively in an

When used preventatively in an Integrated Pest Management program

As LED's pave the way of the gardening future be sure to leave your grow room in MINT condition

Lighting Coverage - Veg 7'X7'

1 GPH / 10 - 50 PSI

This 55-gallon drum of 200 Proof 710 Ethanol is an excellent choice for extraction professionals who need a large quantity of solvent for their processes

16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Cone Filler When used preventatively in anImportant 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