one-piece toilet H1007 siphonic s-trap,305mm rough in 3.5L/6L dual flush PP slow down seat one-piece toilet H1007 siphonic s-trap305mm rough in 3,5L /6L dual flush,0,05MPa (Dynamic pressure) ,-0,75MPa(Static pressure),PP slow down seat,700×410×590mm ceramic floor mounted one piece toilet siphonic