5 PCS 1/2" 3/4" 1" 1.5" 2" 2.5" 3" 3.5" 4" Tri Clamp Sanitary Silicone Sealing Gasket Strip Homebrew Diopter Ferrule Beer

High-concerned chemical : None Standard or Nonstandard : Standard Model Number : 38x50.5mm Material : Silicon Origin : Mainland China Shape : Flat Gasket Certification : NONE