20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 15 Plus Carbon 1 Pack books-&-videos Duramax 200 is a cost-effective

Duramax 200 is a cost-effective and manageable solution for greenhouse growing that will last for years to come

The final result is a clean fresh smell throughout the room

hydro and cocos

We also carry 4 3/8 and 5 1/4 inch depth filters

1" fill/drain fitting

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 15 Plus Carbon 1 Pack books-&-videos Duramax 200 is a cost-effectiveImportant 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,