16x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack Grow Tents Growers choosing PBH/Nature's Media Amendment

Growers choosing PBH/Nature's Media Amendment reduce costs

old automobile tires - anywhere you have standing water that is a breeding ground for mosquitoes

and never lets us down

The filter's increased internal carbon surface area is capable of absorbing significantly more odors and all while improving the overall life of the filter

(6) 6' Soil Probes

16x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack Grow Tents Growers choosing PBH/Nature's Media AmendmentImportant 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