20x25x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack jg and drastically reduce the rooting

and drastically reduce the rooting time for cuttings as well

Torched is different

Chip board carton

It is100% naturally derived and is OMRI Listed for use in organic production and farming

concentrated forms of silicic acid ever achieved in a stable liquid form

20x25x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack jg and drastically reduce the rootingImportant 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