20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack grow media Backed by a 2 year

Backed by a 2 year warranty

The 140 Site Aeroponic Cloner Machine provides a simple and easy cloning experience allowing you to root cuttings between 4-10 days

This CMh cordset is easy to install and works with all PGZ18 base T9/T12 ceramic halide lamps

Indoor Cultivator

A full flavored and higher quality grape grown on fertile soil will test at a 24% or higher

20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack grow media Backed by a 2 yearImportant 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