A fitting or adapter is used in pipe systems to connect straight sections of pipe or tube, adapt to different sizes or shapes, and for other purposes such as regulating (or measuring) fluid flow. Stainless steel camlockAluminium camlockPP camlockSS quick couplingChicago coupling– MATERIAL : PP, ALUMINIUM, STAIINLESS STEEL– SIZE RANGE: 1” TO 6” Gasket Elbow Flanges