20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack shoe-cover Compatible with all growing mediums

Compatible with all growing mediums and watering methods

Global Natural Products

Zenport Mini Greenhouse SH3240 Pop-Up Greenhouse Protects Shrubs

The unit measures 8" L

AC Input Power  636 W @ 120 V AC

20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack shoe-cover Compatible with all growing mediumsImportant 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