3" Inch Filters

Zephyr 20x25x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 2-Pack

Zephyr 20x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 2-Pack

Zephyr 20x30x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 2-Pack