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 Cartridge 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