Superior Wood-Burning Chimney 8" - 12 3/8" 8DM

Superior 1" Clearance Firestop Spacer 24 pack 3600FS-8DM-24

Superior 1" Clearance Firestop Spacer 3600FS-8DM-1

Superior 2" Clearance Firestop Spacer FS-8DM

Superior 2" Clearance Firestop Spacer 24 pack FS-8DM-24

30 Degree 12" DM Offset and 8" DM Return 30E-12DM0-8DMR

Superior 30 Degree Offset and Return 30E-8DM

Superior 12" Conversion pipe from 8DM to FTF8 12-8DM-FMI-LHP

Superior 48" Section Double Wall Pipe Snap Lock 48-8DM

Superior 36" Section Double Wall Pipe Snap Lock 36-8DM

Superior 24" Section Double Wall Pipe Snap Lock 24-8DM

Superior 18" Section Double Wall Pipe Snap Lock 18-8DM

Superior 12" Section Double Wall Pipe Snap Lock 12-8DM