Selkirk-Metalbest Metalbest RV 3" Type B Gas Vent Female Universal Adapter

3" Type B Gas Vent Female Universal Adapter from the RV CollectionA universal adapter has both a male and female part to allow for exact connection. It is used to connect B Vent to/from 1/4" Type B Gas Vent.The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non-positional lock system, die formed ends, and eliminates the need for all cutting, fitting and special engineering. It has an improved joint design provides fo...