Selkirk 4-in x 4-1/2-in 90-Degree Galvanized Elbow PPG1102-3 and platform wild bird feeders

and platform wild bird feeders

Used to turn pipe 90 degrees

concrete floors & safety markings

Automatic rotating head action for even expansion

Selkirk 4-in x 4-1/2-in 90-Degree Galvanized Elbow PPG1102-3 and platform wild bird feedersThe 4 in. x 9 in. steel 90 adjustable gas vent elbow is a type B fitting used to create an offset around rafters, joists and other construction obstacles. The strong, durable, galvanized steel outer pipe has internal spacing bends to create a uniform insulating air space between pipe walls. Each end is die formed to assure uniform sizing for strong, easy to connect joints. A lock tab feature offers the option of installation without sheet metal