SPECIAL ORDER ITEM. Review Returns Policy before purchase. This adjustable elbow pipe fitting is designed for use in HVAC venting and type b gas vent systems to provide a secure change in direction while maintaining proper airflow. The adjustable design lets you fine‑tune the angle during installation for alignment flexibility with existing duct or vent layouts. Constructed from a combination of galvanized steel and aluminium, it offers corrosion resistance and durability for long‑term service. Suitable for residential and light commercial gas vent applications, this elbow pipe supports efficient exhaust routing and reliable system performance.