18x18x2 MERV 13 ( FPR 10 ) AC and Furnace Pleated 2" Inch Air Filters. Case of 12

Glasfloss ZL 18x18x2 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 17-1/2 x 17-1/2 x 1-3/4

Glasfloss ZL 18x18x2 MERV 13 ( FPR 10 ) Pleated AC Furnace Air Filters. 6 Quantity. Exact Size: 17-1/2 x 17-1/2 x 1-3/4