MERV 10 | FPR 7 | MPR 800-1000 - Excellent

Glasfloss ZL 18x22x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 17-3/4 x 21-3/4 x 7/8

Glasfloss ZL 20x21x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 19-1/2 x 20-1/2 x 7/8

Glasfloss ZL 20x23x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 19-1/2 x 22-1/2 x 7/8

Glasfloss ZL 21.5x23.5x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 21.5 x 23.5 x 7/8

Glasfloss ZL 30x30x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 29-1/2 x 29-1/2 x 7/8

Glasfloss ZL 8x8x1 MERV 10 (FPR 5-6) Pleated Air Filters. (4-Pack). Exact Size: 8 x 8 x 7/8