16x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack soil nutruient Works with both Small and

Works with both Small and Large models

Green Cloverleaf Worm

Sunrise/Sunset Programming – Gradual light ramp-up and ramp-down reduces plant stress and mimics natural light transitions for healthier growth cycles

This ethanol extraction unit can process up to 120 pounds an hour of material

Settle for leaving your room in nothing but MINT condition

16x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack soil nutruient Works with both Small andImportant 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