16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Grow1 5' Steel Stake The SE 600 Grow Light

The SE 600 Grow Light System utilizes a reflector design sized specifically for 600 watt grow lamps

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The ILUMINAR Lighting 750/600W DE-HPS Commercial fixture is a feature rich Double-Ended High Pressure Sodium all-in-one fixture designed for smaller environments that still require the benefits of the double ended configuration

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Grow1 5' Steel Stake The SE 600 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. If you are replacing a 4 3 8 depth 16x20x4 filter