16x20x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack Electrical Components Super quiet operation

Super quiet operation

iPonic Digital Integrated Sensor Module

- Displays both CO2 concentration and temperature

Biodegradable PERpose Plus works on contact and provides cost effective

Blowers contain a PWM-controlled motor used to minimize noise during speed variations and are suspended in mid-air with silicone mounts to absorb vibrations

16x20x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack Electrical Components Super quiet operationImportant 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