Type:Shower Faucet Set
Installation:Wall/Ceiling Mounted
Finish:Black
Shower Head Shape:Square
Rain Shower Head:Yes
Shower Head Size:16"
With Hand Held Shower
Durable solid brass construction
3- way mixer valve, Digital display. Connection size:1/2"
16" overhead slim square shower head ( Shower head is slim, not thick)
6 Massage jets sprayer to relax your muscle
Ceiling mount shower arm
Handheld shower spray for flexible use
Drip Free Ceramic disc cartridge for smooth and long lasting operation 

Method 1: mo

In order to keep the surface of the shower clean, use a soft cloth, rub the surface with the flour, and rinse with water to keep the surface smooth;

Method 2: 

Brush the surface of the shower with a toothbrush and a toothpaste. Brush it for 3 minutes, rinse with water, and dry.