16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 6 Pack Emitters • Highly durable and reversible

• Highly durable and reversible silicone gasket

Measurement: 22''x9

MegaPhos produces several essential enzymes and secondary metabolites that helps solubilize bound or tied up phosphorus

Ingredients

16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 6 Pack Emitters • Highly durable and reversibleImportant 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 16x20x4 filter