20x25x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack cloning-and-seed-starting formulated for rooting cuttings

formulated for rooting cuttings

as do many Chalcid (KAL-cid) wasps (a wasp family)

Or up to 1 hour

• Soluble Potash (K2O) 0

Children & pets

20x25x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack cloning-and-seed-starting formulated for rooting cuttingsImportant 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