- 4" inch, 4RV-GVS, Support Assembly, Round, Type B, Gas Vent
- Support Plate should be installed above the joist
- Support plate also serves as a firestop
- Will support a maximum of 60' of gas vent
- RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances
- 4" inch, 4RV-GVS, Support Assembly, Round, Type B, Gas Vent
- Support Plate should be installed above the joist
- Support plate also serves as a firestop
- Will support a maximum of 60' of gas vent
- RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances