Brass Body: The solid brass body of this shower head swivel adapter construction provides higher performance (high heat and pressure resistance) and durability than plastic. It can be used for many years without leakage. High Water Flow: With a flow rate of 7.8 GPM, there are absolutely no flow restrictions and you can enjoy a rain shower experience even if your shower head is as large as 16 inches. Anti-rust: This shower head swivel adapter is made of brass to prevent corrosion and rust and requires little maintenance. Swivel Ball Joint: This swivel ball allows you to adjust the shower head to any angle after installation. The shower angle can be easily adjusted to suit both children and adults, providing the perfect shower experience for every family member. The connection is tight enough that it doesn't t fall back after rotating to any angle. Rotate it and it will stay exactly where you need it. Easy to Install: This universal connection fits standard G 1/2 straight thread shower arms and shower heads.