20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 10 Pleated Plus Carbon 2 Pack hydro-x After ingesting a lethal dose

After ingesting a lethal dose

ACTIVE AQUA RESERVOIRS

Stonington Blend contains viable mycorrhizal propagules per cubic centimeter (cc) of the following organism:

SPECIAL ORDER ITEM ONLY - 2 MONTH LEAD TIME

Before injection

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 10 Pleated Plus Carbon 2 Pack hydro-x After ingesting a lethal doseImportant 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,