Propex 22mm ID stainless steel exhaust pipe with end cap suitable for the HS2000 and HS2211 heaters.  You can also use this as a heavier duty intake pipe if you'd like to replace the standard paper/foil hose.

One meter is 3.28 feet or 39.3 inches. The OD of this hose is 25mm. Please click here for the 22mm to 25mm heater connector.