20x25x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack environmental - Applying to seedlings before

- Applying to seedlings before planting and watch them grow into healthy

mixed with white

Water level detection and automatic shut-off

Up to 15 lights can be daisy-chained and controlled through just one light

20x25x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack environmental - Applying to seedlings beforeImportant 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