3" Inch Filters

Zephyr 18x18x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 16x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 16x25x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 16x24x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 14x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 14x25x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 14x24x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 20x20x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

Zephyr 20x20x3 VGF Merv 13 Pleated Air Cleaner Filters for Whole Home Return Air Grilles. Box of 2

Zephyr 20x20x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 24x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 18x18x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 14x20x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 24x24x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 16x30x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 14x14x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 20x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 16x25x3 VGF Merv 13 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 12x30x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack

Zephyr 20x25x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. 1-Pack