Size : Approx.62(L)x 36(bottom dia.)x23.5(top outer dia.) mm, Adapter outer dia.:22mm, Adapter inner dia.:24mm. Materials - Made of high quality ABS material with chrome plated finish processing, anti-corrosion and rust-resistant, durable and safe to use. Increase the water pressure: Prevent water flowed,and the air is mixed with water is good,the water feels soft,enhanced water momentum,cleaning more convenient. Two Spray Mode:Push the silver part up to get a full jet stream and down to get a spray. You can also swivel the end to reach virtually any part of the basin. Installation type: With threaded connector, suitable for Internal and external thread connection. Humanized design, easy to install. 1.Size : Approx.62(L)x 36(bottom dia.)x23.5(top outer dia.) mm, Adapter outer dia.:22mm, Adapter inner dia.:24mm. 2.Materials - Made of high quality ABS material with chrome plated finish processing, anti-corrosion and rust-resistant, durable and safe to use. 3.Increase the water pressure: Prevent water flowed,and the air is mixed with water is good,the water feels soft,enhanced water momentum,cleaning more convenient. 4.Two Spray Mode:Push the silver part up to get a full jet stream and down to get a spray. You can also swivel the end to reach virtually any part of the basin. 5.Installation type: With threaded connector, suitable for Internal and external thread connection. Humanized design, easy to install.