20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Air Filters 4 Pack grow media this cover works to protect

this cover works to protect the tumbler from outside material

Eliminates plant loss due to root and crown rot diseases

an Add A Lamp Kit with another 2-meter Rail

Solid Start is a way to ensure that your veg cycle will be as successful as possible

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Air Filters 4 Pack grow media this cover works to protectImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,