16x20x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack rockwool The Anden 710 utilizes innovative

The Anden 710 utilizes innovative patent pending variable speed technology (VLGR) to deliver high performance and efficiency throughout the grow cycle

Root when plugs dry

and to complete your own hydroponic systems

Why BotryStop WP

circulate air

16x20x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack rockwool The Anden 710 utilizes innovativeImportant 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