Only for the PORTA and SPACE as well as the FREE-GATE and SPIRIT bathtubs. bowden cable length 850 mm drain connection Ø 40 / 50 mm drain capacity 1,1 l/sec. with bath filling function water connection 1/2'' AG complies with DIN EN 274 chrome-plated version available only! The drain set also comes with a water inlet function. Filling the bathtub with fresh water generally takes place via a tap that is either mounted on the edge of the bath or mounted in the wall. As an alternative and quite exquisite solution, this drainage set allows for filling up via the overflow.