20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack MH 500 gallons of feed when

500 gallons of feed when paired with Rare Dankness Perfecta BASE

This makes it ideal for applying pesticides

sunrise/sunset simulation

The bag fully opens up to a length of 36-inches

Growers enjoy long-term reliability and peace of mind with ILUMINARs 5-Year warranty and IP66 rating for use in wet environments

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack MH 500 gallons of feed whenImportant 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,