Description
| ITEM # | MFG. | SIZE | QTY. |
| 503757 | 103810 | 3″ | 1/6 |
| 503779 | 104810 | 4″ | 1/6 |
TYPE “B” GAS VENT INCREASER & ALUMINUM DUCT
Double-wall construction
Non-positional locking system makes installation a snap
No tools required for disassembly
Additional information
| Product ID | 503757, 503779 |
|---|
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