20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack spl_dakine420 Internal resin coating protects components

Internal resin coating protects components for long life

Length: 11

Total Nitrogen

Ascophyllum Nodosum

Neptune's Harvest Crab and Lobster Shell is a superior dry fertilizer for all your growing needs

20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack spl_dakine420 Internal resin coating protects componentsImportant 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