Product Info Catalog Plumbing Stove Pipe & Chimney Pipe Galvanized Adjustable Furnace Elbow, 90-Degree, 3-In. Galvanized Adjustable Furnace Elbow, 90-Degree, 3-In. Request a Quote UPC: 63467122470 SKU: 134646 Model Number: GV0322-C Used to change direction of airflow in round branch pipe. 26 Gauge Adjusts from 0 - 90 Degrees