single lever bidet mixer DN 15 single hole mounted solid lever ceramic cartridge with hot water safety device cache aerator M16.5 x 1 flow rate 3.8 ltr/min (1 gpm) flexible high pressure supply tubes 1/2 inch rapid installation set pop up waste 1 1/4 inch in accordance to EN 817 Pressure Compensating Aerator 3.8 ltr/min (1 gpm)