3" Inch Air Filters

Zephyr 18x20x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 18x18x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 16x30x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 16x25x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 16x24x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 16x20x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 14x30x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 14x25x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3