Kingsman Offset Support w46.12 Manufacturer* Brand Type Diameter American TALLSID2 50 Manufacturer* Brand Type Diameter American Metal HSS AC Triple Wall 8" (20 cm) American Metal HS AC Triple Wall 8" (20 cm) DuraVent Dura Tech 1" Solid Pack 8" (20 cm) DuraVent DuraTech Canada DTC 1" Solid Pack 8" (20 cm) DuraVent DuraTech Premiuim 2" Solid Pack 8" (20 cm) DuraVent Dura Plus HTC 2" Solid Pack 8" (20 cm) DuraVent Dura Plus AC Triple Wall 8" (20 cm) Metal Fab Temp Guard 1" Solid Pack 8" (20 cm) Olympia Chimney Rockford Chimney Systems 1" Solid Pack 8" (20 cm) Olympia Chimney Champion Chimney System 1" Solid Pack 8" (20 cm) Olympia Chimney SBI Venting Division Ventis 1" Solid Pack 8" (20 cm) SBI Venting Division Nexvent 1" Solid Pack 8" (20 cm) Security Chimney S 2100 2" Solid Pack 8" (20 cm) Selkirk CF Sentinel (CF) 2" Solid Pack 8" (20 cm) Selkirk Super Pro 2100 (ALT) 2" Solid Pack 8" (20 cm) Selkirk Super Vent 2100 (JM) 2" Solid Pack 8" (20 cm) *Specific components may be required depending on the chimney manufacturer each accessory is expertly crafted with the same attention to detail and care as our fireplaces For chimneys with an offset angle below or above the roof For use with Gas Fireplaces