SELKIRK CORP 106230 Adjustable 90DEG Elbow, 6-Inch Manufactured in China Easy to use Highly durable 6" inch, 6RV-90, Adjustable, 90 Degree, Elbow Round Type B Gas Vent RV series offers round gas vent pipe and fittings for residential commercial and industrial applications Features a snap together, non-positional lock system, die formed ends and eliminates the need for all cutting, fitting and special engineering Has an improved joint design which provides for a secure connection in seconds Constructed with a galvanized steel outer casing and an aluminum inner liner