20x25x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack trays 10 x PotPro™ | Platform

10 x PotPro™ | Platform Fitting x T (unit)

0 inches H8

Conductivity

Make your nutrient solution easy to manage with the GroLine Monitor

20x25x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack trays 10 x PotPro™ | PlatformImportant 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