20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 13 Plus Carbon 2 Pack food-storage The controller included with each

The controller included with each unit features active temperature and humidity monitoring

This keeps the structure of the buds fully intact preserving the look of the flower

5V button cell batteries (included)

This reflector is made of Miro® aluminum which provides optimal reflectance to your crop

pieces snap into desired place for better functionality

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 13 Plus Carbon 2 Pack food-storage The controller included with eachImportant 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,