Valve, Features Operating Pressure Range of 30 to 90 psi (2.1 to 6.2 bar), Push-Button Design for Front Access Stream Adjustment as Well as and Strainer Access, Includes Push Button Assembly, Spanner Wrench, Tubing, Inlet Pipe Size 1/4 in, Inlet Pipe Thread Type NPT, Material Brass, Stainless Steel, Outlet Pipe Size 1/4 in, Outlet Pipe Thread Type NPT, Standards California Proposition 65, NSF/ANSI/CAN 372, NSF/ANSI/CAN 61- Section 9