Imperial 4 in. D X 4 in. D Adjustable 90 deg Steel Stove Pipe Elbow 7-70-711-10 Self regulating

Self regulating

you can't go wrong with this ring

Brand Name: RIDGID

use for sliding purpose

and no detrimental effects from rapid cycling on and off

Imperial 4 in. D X 4 in. D Adjustable 90 deg Steel Stove Pipe Elbow 7-70-711-10 Self regulatingThe 4" black matte adjustable elbow is used to connect single wall stove pipe to chimneys and vent stacks. It can be adjusted from 0 to 90. Highly durable, 28 gauge construction features a crimped end to easily assemble to stove pipe of similar diameter. Can be used to make angular or gradual turns. Brand Name: Imperial End 1 Diameter: 4 in. End 2 Diameter: 4 in. Adjustable: Yes Bend Degree: 90 deg Material: Steel Product Type: Stove Pipe Elbow