gotonovo Antique Brass Shower Faucet 8-inch Shower Head Fixture with Handheld Spray Double Lever Handle Bathtub Spout Triple Function Bathroom Wall Mount

[Material]:Maximum Flow Rate:1.42gpm. 5.36L/min. High-quality vintage antique brass finish, premium brass construction ensuring durability and dependability. Anti-rust and resist corrosion.. [Function]:3 Functions,Rain shower head,Hand held shower and Bathtub spout, diverter switch easy to change between triple functions.. [Shower Height]: Adjustable slid bar height between 31-inch to 47-inch (80cm-120cm）. [Shower Installation Adapter]:Comes with all mounting hardware and instructions.Ship with adjustable NPT1/2 adapter to adjust installation hole distance between 5 inch - 6.6 inch (13cm-17cm).. Cartridge inside it makes it pressure balance since will not work if doesn’t have hot and cold water going.That’s means pressure balanced.It doesn’t need a pressure valve installed.A pressure reducing valve is installed on the main water line coming into house.it reduces pressure from the city water main down to working pressure on the whole house not on an individual faucet.Due to code requirements .Would recommend to seek advice from local plumber before purchase to verify suitable size.