Webasto Exhaust Pipe Clamp for 24mm pipe 1320220AThis genuine Webasto exhaust pipe clamp works with all heaters having 24mm Inside Diameter exhaust pipes. This is the heavy duty clamp that secures the pipe to the heater and to a muffler if equipped. Webasto part: 1320220A Part type: Exhaust pipe clamp Construction: Steel Inside Diameter: 26 28mm Special Attribute: Use with 5091523A exhaust pipe Special Attribute: Use with 1320372A muffler Use with: Airtop 3500 5000 Airtop 3900 5500EVO EVO 40 EVO 55