Selkirk 4 in. D X 4 in. D Adjustable 90 deg Aluminum Stove Pipe Elbow 10-00-001-1117 Material: Aluminum(6063-T5)

Material: Aluminum(6063-T5)

so you can install that extra shelf you always wanted

Out in the garden you can restore a good edge to axes

End 2 Type: Hub

Selkirk 4 in. D X 4 in. D Adjustable 90 deg Aluminum Stove Pipe Elbow 10-00-001-1117 Material: Aluminum(6063-T5)Inner wall aluminum, outer wall galvanized for gravity draft venting of listed LP or natural gas burning appliances 100 million BTU per hours 500 degree Fahrenheit maximum appropriate for the wall where applicable not for wall furnaces boxed. Brand Name: Selkirk End 1 Diameter: 4 in. End 2 Diameter: 4 in. Adjustable: Yes Bend Degree: 90 deg Material: Aluminum Product Type: Stove Pipe Elbow Packaging Type: Boxed Vent Type: Type B Number: 4RV EL90 UL