1 Inch Filters

Glasfloss 20x30x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 19-5/8 x 29-5/8 x 7/8

Glasfloss 20x24x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 19-3/8 x 23-3/8 x 7/8

Glasfloss 18x25x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 24-1/2 x 7/8

Glasfloss 18x24x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 23-1/2 x 7/8

Glasfloss 16x24x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 15-1/2 x 23-1/2 x 7/8

Glasfloss 16x16x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 15-1/2 x 15-1/2 x 7/8

Glasfloss 15x20x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 14-1/2 x 19-1/2 x 7/8

Glasfloss 14x25x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 13-1/2 x 24-1/2 x 7/8

Glasfloss 14x20x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 13-1/2 x 19-1/2 x 7/8

Glasfloss 14x14x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 13-1/2 x 13-1/2 x 7/8

Glasfloss 12x25x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 11-1/2 x 24-1/2 x 7/9

Glasfloss 12x24x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss 12x20x1 MERV 10 HVAC Pleated Air Filters. 12 PACK. Actual Size: 11-1/2 x 19-1/2 x 7/8

Glasfloss 12x12x1 MERV 10 HVAC Pleated Air Filters 12 PACK Actual Size: 11-1/2 x 11-1/2 x 7/8

Glasfloss 22x22x1 MERV 10 HVAC Air Filters. 12 Pack

Glasfloss 20x25x1 MERV 10 HVAC Air Filters. 12 Pack

Glasfloss 20x22x1 MERV 10 HVAC Air Filters. 12 Pack

Glasfloss 20x20x1 MERV 10 HVAC Air Filters. 12 Pack

Glasfloss 18x20x1 MERV 10 HVAC Air Filters. 12 Pack

Glasfloss 18x18x1 MERV 10 HVAC Air Filters. 12 Pack