16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Cloning & Seed Starting dryness and ultraviolet radiation

dryness and ultraviolet radiation

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SunPulse Pulse Start Metal Halide Grow lamps were created by the GAS Technologies group of photo-biologists

2HP 230v 60hz

16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Cloning & Seed Starting dryness and ultraviolet radiationImportant 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