For Instance, this is an 18 Inch Length. One of many different sizes available. Model HT is an All Fuel Chimney approved for Gas, Oil and Wood*
A Selkirk chimney system can easily be installed by one man. The lightweight pipe with threaded internal couplers locks together in seconds with 1-1/8 turn.
Supervent 6-in x 18-in Insulated Double Wall Stainless Steel Chimney Pipe | JSC6SA18
204018U - CHIMNEY 4 X 18 (HT)
8'' DSP Telescoping Stovepipe 12 1/2'' to 18'' - DSP-8AL
SuperVent 8-in x 24-in Insulated Double Wall Stainless Steel Chimney Pipe in the Chimney Pipe department at
The Chimney Section Stove Pipe, 18-Inches by Majestic provides a smart ventilation accessory for use with your Majestic fireplace.
Majestic SL318 18 in. Chimney Vent Pipe Section
AllFuel HST Through The Wall Kit with Flat Top Chimney Cap for 6
AllFuel HST Tee With Clean Out Cap for 8 Diameter 304 Stainless
Chimney Pipe Flat Ceiling Kit for Rock-Vent Class A Pipe
Is this safe? : r/woodstoving
4 stove pipe - Flame Innovation