Imperial 6 in. x 8 in. Stove Pipe Increaser, Black, BM0062-D at

For use with solid fuel appliances such as woodstoves. 90 deg. angle. For single wall pipe. Elbows can be adjusted to any angle between a straight line and a right angle.

Imperial Bm0016 Adjustable Elbow, 90-Degree, 8, Black

Imperial 5 in. Dia. x 6 in. Dia. Steel Stove Pipe Increaser

Black Stove Pipe Flue Increaser, 24-Ga., 5 x 6-In.

Stove & Chimney Pipes at Tractor Supply Co.

IMPERIAL 6-in Black Steel Stove Pipe Stove Damper in the Stove Pipe Fittings department at

Imperial Black Matt Stove Pipe Reducer/Increaser – US Fireplace Store

Imperial Black Matt Stove Pipe Reducer/Increaser – US Fireplace Store

Imperial Stove Pipe Reducer, 6 x 4, Black

Black Double Wall Stove Pipe Increaser Reducer Adapter - Rockford Chimney

Use the double wall stove pipe reducers and increasers to transition from one diameter of stove pipe to another. Install with the male end pointing

Black Double Wall Increaser / Reducer

Black Stove Pipe Reducer 6(Female) to 8(Male)

Imperial 5-in x 6-in Stove Pipe in the Stove Pipe Fittings department at

DuraVent DuraBlack 6 in. x 8 in. Single-Wall Chimney Stove Pipe Slip Increaser 6DBK-XS8 - The Home Depot