16x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack lighting_accessories and other high-value crops to

and other high-value crops to improve yield and plant health across multiple cycles

Bloom 6' x 6'

All RAZR models are dimmable with our light intensity Dimmer for precise control over PPFD

Net Weight: 8

A high phosphorous mix of bat and seabird guano plus earthworm castings

16x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack lighting_accessories and other high-value crops toImportant 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