New Knoxville Supply Company Inc.
Furnace Filters
How to Install a Furnace Filter:
Glassfos Furnace Filters
12 x 24 x 1
14 x 20 x 1
16 x 16 x 1
16 x 20 x 1
16 x 25 x 1
16 x 25 x 2
20 x 20 x 1
20 x 20 x 2
20 x 25 x 1
20 x 25 x 2
20 x 30 x 1
Pleated (Heavy)
| 14 x 20 x 1 |
| 16 x 20 x 1 |
| 16 x 20 x 2 |
| 16 x 25 x 1 |
| 16 x 25 x 2 |
| 20 x 20 x 1 |
| 20 x 20 x 2 |
| 20 x 25 x 1 |
| 20 x 25 x 2 |
| 25 x 25 x 1 |
| Air Bear Filter (20 x 25 x 5) |
| Cub Bear Filter (16 x 25 x 3) |
Filter Racks
16 x 25 x 1 |
20 x 25 x 1 |
