20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack pest control connects with over 500 Gorilla

connects with over 500 Gorilla DE 1000W grow lights across two zones using standard telephone cables

• Top Dressing Throughout Growing Season

The plugs are made through an advanced proprietary composting method and contain natural beneficial fungi from this advanced composting biotechnology

replaceable double junction pH probe and temperature probe (for pH ATC)

Folded 25" x 12 x 7''

20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack pest control connects with over 500 GorillaImportant 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