20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 4 Pack Monterey Lawn & Garden Products No batteries needed

No batteries needed

It has a USB port for PX1 controller compatibility and dimming options

• Clean your tank and replace your nutrient solution at least every week

and increased tolerance to drought

Extend the growing season to 365 days a year with Eye HortiluxTM grow lamps

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 4 Pack Monterey Lawn & Garden Products No batteries neededImportant 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,