Selkirk Model RV Type B Gas Vent 4in. x 12in. Round Adjustable Gas Vent Pipe

The 4 in. x 12 in. Steel Round Adjustable Gas Vent Pipe is a Type B round fitting with die-formed ends to assure uniform sizing for a strong, easy-to-connect joint. It is designed for use on approved gas appliances in residential, light commercial and industrial applications. It is made of galvanized steel and UL listed for safety in accordance with NFPA standards.

• Aluminum inner with galvanized outer for corrosion-resistance
• Adjustable length extends onto standard pipe for desired length
• Easy to assemble