Shop by Size

Glasfloss ZL 12x20x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. 6 Quantity. Exact Size: 11-1/2 x 19-1/2 x 7/8

Glasfloss ZL 12x20x1 MERV 13 Pleated AC Furnace Air Filters. 2 Pack

Glasfloss ZL 12x20x1 MERV 13 Pleated AC Furnace Air Filters. 3 Pack

Glasfloss ZL 12x20x1 MERV 13 Pleated AC Furnace Air Filters. 4 Pack

Glasfloss ZL 12x20x1 MERV 13 Pleated AC Furnace Air Filters. 6 Pack

Glasfloss ZL 12x20x1 MERV 13 Pleated AC Furnace Air Filters. Case of 12

Glasfloss ZL 12x20x2 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x20x2 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. 3 Pack. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x20x2 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. 6 Quantity. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x20x2 MERV 13 ( FPR 10 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x20x2 MERV 13 ( FPR 10 ) Pleated AC Furnace Air Filters. 3 Pack. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x20x2 MERV 13 ( FPR 10 ) Pleated AC Furnace Air Filters. 6 Quantity. Exact Size: 11-1/2 x 19-1/2 x 1-3/4

Glasfloss ZL 12x24x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. Case of 12. Exact Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss ZL 12x24x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. 3 Pack. Exact Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss ZL 12x24x1 MERV 11 ( FPR 7 ) Pleated AC Furnace Air Filters. 6 Quantity. Exact Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss ZL 12x24x1 MERV 13 Pleated AC Furnace Air Filters. 2 Pack

Glasfloss ZL 12x24x1 MERV 13 Pleated AC Furnace Air Filters. 3 Pack

Glasfloss ZL 12x24x1 MERV 13 Pleated AC Furnace Air Filters. 4 Pack

Glasfloss ZL 12x24x1 MERV 13 Pleated AC Furnace Air Filters. 6 Pack

Glasfloss ZL 12x24x1 MERV 13 Pleated AC Furnace Air Filters. Case of 12