20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack commercial-lighting-fixtures Sleeves are designed with tunnelized

Sleeves are designed with tunnelized elastic to offer a more secure closure

the user can utilize the evaporative cooling properties of the extraction solvents

should be used with a 16" bowl trimmer

laying eggs as they feed

For Preventative Maintenance – Dilute 1/2 oz

20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack commercial-lighting-fixtures Sleeves are designed with tunnelizedImportant 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 20x20x4 filter