Used to ensure clearance to combustibles is maintained. Also serves as a firestop. Adjusts from 4-1/8" to 7" to fit thickness of wall. Type B gas vent.
| SKU | 429307 | UPC | 053713130380 |
| Weight | 0.9 | Package Width | 8.25 |
| Package Length | 8.25 | Package Height | 4.25 |
| Model Number | 187704 | Brand | Selkirk |