All brass construction with brass handle to ensure quality and longevity. Can be used as a shut-off valve or water saving valve, installed between shower arm and shower head shower head, and can also be used in bidet sprayers. Multi-layer chrome finish to resist daily corrosion, scratches and tarnishing. Comes with a silicone ferrule waterproof with filter to prevent clogging. G 1/2 male and G 1/2 female connections for most shower heads and arms.