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ideal color temperature
helping to increase your grow operation’s profitability
thick cell walls (this thickness provides pathogen resistance and strong stalks)
SaferTM Brand 3-In-1 Concentrate is designed to kill pests and create an environment where damaging fungi cannot live
Zero OSHA Rating
16x20x4 (3 5/8) Pleated MERV 7 Air Filters 6 Pack ph-ec-tds-meters-and-solutions ideal color temperatureImportant 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
