... of lime scale 4) Different types are available:Single function,two fucntion,shower head with self-seperator ect. 5) Flow rate: approx. 11 ... ) Packing: color gift box with foam inside 8)Hand shower and overhead shower can change other type ,customization just by you. 9 ... functional aspect. After the shower heads are assembled, all will be test via water, to make sure every function works, and the ...