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Zephyr 12x24x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 12x24x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 12x24x3 VGF Merv 11 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 12x24x3 Merv 11 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...