Great Performance: Constructed from brass, corrosion resistance and dependable to use for time Work With: Compatible with expanding fitting system, not compatible with stainless steel clamp & copper crimp ring systems Widely Used: For fluid control, it’s found in residential, industrial, commercial, and agricultural settings Product Certified:Conform ANSI/NSF-61 and ASSE 1061 standard(Expanding Tool + PEX Sleeves/Ring NOT INCLUDED) Package Includes: 5-Pcs 1-Inch PEX brass full port shut-off ball valve (Expansion Type) for Pex A Pipe(Blue Handle)