Glasfloss ZL 12x12x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 11-1/2 x 11-1/2 x 7/8

Glasfloss ZL 14x14x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 13-1/2 x 13-1/2 x 7/8

Glasfloss ZL 14x25x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 13-1/2 x 24-1/2 x 7/8

Glasfloss ZL 20x22x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 19-1/2 x 21-7/8 x 7/8