The shower system uses a sturdy brass body to prevent rust and corrosion. Ideal for prolonged contact with water The shower column uses a high-quality ceramic valve core to ensure a long service life and you can precisely adjust the switch and water volume. No drip Bathroom Shower tap System with many nozzles ensure sufficient water flow during the shower. The large shower head makes you feel like showering under a real waterfall Easy to fit and very easy to operate.Easy Installation: Size of inlet: G 3/4",Size of outlet: G 1/2",suitable for your bathroom