16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 1 Pack reflective-and-greenhouse-films The SK602 LED Grow Light

The SK602 LED Grow Light fit for use in wet and humid conditions

If you’re ready for real plant science

Roots Organics Player Pack

The Ideal-Air 120 Pint Dehumidifier with Internal Condensate Pump gives serious growers the muscle to pull moisture out of the air at scale — up to 120 pints per day — while keeping maintenance simple and drainage completely flexible

magnesium and sulfur

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 1 Pack reflective-and-greenhouse-films The SK602 LED Grow LightImportant 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,