Selkirk Metalbestos 4RV-3 4-Inch X 36-Inch RV Gas Vent Round Pipe

Manufactured in United States Easy to use Highly durable Designed for use on approved gas appliances in residential and light industrial application Involves incorporating a LockTab in the female end of each gas vent section a accessories The incorporation of a LockTab feature simply improves our lock system by adding flexibility and meeting market needs Gives installer the option of engaging the LockTab instead of using sheet meal screws