20x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack reflectors and grow lights simply fill your container

simply fill your container

Precision thermal controls

so you don’t have to change your current regimen to give Geoflora BLOOM a try

Output Voltage:                            240 VAC

Dark Energy is a select blend of L-amino acids specifically chosen for each of their beneficial effects on plant growth

20x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack reflectors and grow lights simply fill your containerImportant 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