Our Shut Off Valve Assembly is designed to quickly stops the flow of a stream. The body of the assembly is made from biocompatible Tefzel (ETFE) and features a PCTFE rotor making it highly resistant to chemical attack. P-270 includes (2)P-335 Flangeless Fittings and (2) P-300N Flangeless Ferrules. The P-721A comes without fittings.