The 13”- 21.4” Adjustable Vent Pipe is a stainless steel venting solution designed to meet the demanding requirements of modern tankless water heater installations. Specifically built for compatibility with select Noritz units, this component offers durability and flexibility, making it ideal for tight or customized installation spaces. Its adjustable 13"- 21.4" length and quick-snap gasket connections make setup simple and secure, minimizing installation time in residential or light commercial applications.