DuraVent DVA-E45 DirectVent Pro Galvanized Steel 45 Degree Elbow
DuraVent Gray Pellet Vent 45-degree Elbow in the Wood & Pellet Stove Accessories department at Lowes.com
3'' PelletVent Pro Black 45 Degree Elbow - 3PVP-E45B: Elbow Braces: Amazon.com: Tools & Home Improvement
DuraVent 4PVP-E45 Stainless Steel Type L 4" Inner Diameter - PelletVent Pro Type L Chimney Pipe - Double Wall - 45" Degree Elbow | Johnsons Home & Garden