Package Included:1 x AR2000 Pressure Regulator Valve100% Brand new and high quality.Model: AR2000.Specifications:Material: Alloy + Plastic.Adapter Diameter: About 11mm/0.43" Guarantee Pressure Range: 10.0kgf/cm2 Max. Working Pressure: 9.5kgf/cm2 Adjustable Pressure Range: 0.5 ~ 8.5kgf/cm2 Size: 85*70*40mm/3.35*2.76*1.57" Colour: Black