Grooved rigid coupling

Specifications
1)Rigid rubber coupling
2)Finish:Paint ,Epoxy Powder and Darcromet
3)Size:1"-12",300PSI
4)Color:RAL3000
5)FM&UL&ISO&CE
Features:
1)flexible rubber coupling
2)Finish:Paint ,Epoxy Powder or Galvanization,
3)Color:Red RAL3000,
4)Size:1"-12"