For gas-fueled appliance venting
UL Listed 441 (470°)
Double-wall; air insulated
Alumiunum inner; galvanized steel outer
Snap-Lock™ Design
Made in the U.S.A.| Part # | Description | Ctn Qty | List Price/Each |
|---|---|---|---|
| 12x14 | DW Increaser, 12" to 14" | 1 | -- |
| 12x16 | DW Increaser, 12" to 16" | 1 | -- |
| 12x18 | DW Increaser, 12" to 18" | 1 | -- |
| 12x20 | DW Increaser, 12" to 20" | 1 | -- |
| 12x22 | DW Increaser, 12" to 22" | 1 | -- |
| 12x24 | DW Increaser, 12" to 24" | 1 | -- |
| 12x26 | DW Increaser, 12" to 26" | 1 | -- |

