1)4" 5" 6" 8.6" 12" 102/108/114/159/219/305-119/130/183/319mm Tri Clamp PTFE Gasket White Sanitary pipe fittings ferrules
https://www.vogueparade.com/shopping/EN/200282142/1/1927015003/14-5-6-86-12-102108114159219305-119130183319mm-tri-clamp-ptfe-gasket-white-sanitary-pipe-fittings-ferrules//