16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack disinfectant an integrated back draft damper

an integrated back draft damper and a mounting bracket designed for quick and easy installation

25 x 7707030: 42 x 8 x 4707035: 44 x 6 x 4707060: 36 x 22 x 7

therefore regulating CO2 uptake

the RLC-1 can even sense when temperatures in your indoor garden are too high and can automatically respond by dimming your lamps

16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack disinfectant an integrated back draft damperImportant 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