20x25x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack bloom nutrients Suggested for Outdoor Use or

Suggested for Outdoor Use or Well Ventilated Spaces

HORTILUX BLUE grow lamps emit a world class spectrum that is unmatched in the lighting industry

4’ and 8’ lengths

It is also dimmable from 600 watts to 1100 watts

If you are using accessories such as basket drippers and air stones use (ID) 3/16" instead of (ID) 1/4"

20x25x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack bloom nutrients Suggested for Outdoor Use orImportant 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. If you are replacing a 4 3 8 depth 20x25x4 filter