AirPurete AP-3M20254-MERV11 - 20X25X4 MERV 11
Nominal size : 20X25X4
Actual size : 19-1/2" x 24-1/2" x 3-3/4
Efficiency : MERV 11
The AirPurete AP-3M20254 furnace filters are engineered with a pleated design that maximizes surface area to capture airborne particles effectively while maintaining optimal airflow. Featuring a sturdy frame, these filters ensure a secure fit and a reliable seal within the furnace slot.