20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack Liquid & Weight Measuring The high-quality

The high-quality

peach leaf curl and more

GammaGuard® CE helps keep wearer cooler vs many competitive fabrics

The included highly- efficient Philips CMH lamp produces excellent PPF and optimal spectrum outside of the PAR range to trigger photomorphogenic responses such as increased terpene content

Now available at Hydrofarm

20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack Liquid & Weight Measuring The high-qualityImportant 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 20x25x4 filter