20x25x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack food-storage • Super compact

• Super compact

PLEASE NOTE: The XTDEOKT1 is not compatible with the PX1 lighting controller

• Improves root development

Adjustable Full spectrum

• Designed for Quantum T5 lamps

20x25x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack food-storage • Super compactImportant 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