See pictures - sale for one clamp, more available at request
Twin Wall Increasing Adapter Stainless Steel Twin Wall to Twin Wall Flue Pipe
Adjustable Wall Bracket Support 80mm-130mm Stainless Steel Twin Wall Flue Pipe
Adjustable Wall Bracket Support 50mm-80mm Stainless Steel Twin Wall Flue Pipe
Adjustable Wall Bracket Support 130mm-210mm Stainless Steel Twin Wall Flue Pipe
Dinak Stainless Steel twin wall Flue Wall brackets 5/7”. Joblot of 5.
Shieldmaster Adjustable Wall Bracket 80- 130mm Stainless Steel Twin Wall 6 inch
