20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack rockwool If using a watering can

If using a watering can stir and pour a portion of the liquid into the watering can and add more water

strong steel handles and High carbon SK-5 Japanese steel blade

But the 7 million active units in each container will hunt down

25" deep media holes are optimally sized for starting herbs

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack rockwool If using a watering canImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,