16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack reflectors and grow lights • Removes residual solvent to

• Removes residual solvent to low ppm

Uniform in analysis

you can store them in the vapor-proof re-sealable pack they come in to use later

Chemboys Humic Liquid is a concentrated form of organic liquid carbon derived from the purest Leonardite

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16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack reflectors and grow lights • Removes residual solvent toImportant 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