20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Pumps & Irrigation It fits seamlessly in existing

It fits seamlessly in existing HPS setups for installation that takes days

With a true authentic 600D weave these tents provide tremendous durability while maintaining great value

device modules

Save cash and energy too—simply turn Dial-A-Temp to your desired speed for extraction of warm air from growrooms and lighting systems

IR and UV LEDs bloom enhancers

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Pumps & Irrigation It fits seamlessly in existingImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,