The M&G DuraVent Type “B” gas vent system features a twist lock connection which offers a superior positive-lock that is fast and easy to assemble. When necessary, the system may be disconnected without damage to the product.
Highlights:
- Size: 4″ x 5′
- For approved gas appliance
- OD is 5/8″ larger than ID
- Aluminum inner wall
- Galvanized outer wall
- Boxed
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