Thermostatic shower column with built-in wax thermoelement, shower head, rail with slider hand shower bracket, hand shower, and additional "joy" hand shower connections of 0.5" and a distance of 5.88" ± 0.56" between them it includes a non-return valve and safety stop at 38º the flow rate at 80PSI of the hand shower is 1.70 GPM and of the showerhead 2.19 GPM.