16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack aaron Chinch Bugs (3 different species

Chinch Bugs (3 different species within the Lygaeidae family)

precise cut accompanied by a razor sharp edge that is perfect for harvesting undamaged buds and trichomes

Reapply after 5–7 days if needed for tougher weeds

and pH up and down additives

17½” x 6½” x 3¼” 7

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack aaron Chinch Bugs (3 different speciesImportant 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 16x20x4 filter