Wall opening rod

A diameter of 30:4 and 6 water pipe (general water pipe and water heater pipeline diameter 35) : one inch pipe (water pipe and water heater pipe) diameter of 55 and 65:1 p and 2 p air conditioning pipe and pipe diameter of 75-85: toilet 2 p air conditioning ark - 5 p air conditioning ark pipe diameter of 110-120: wall switch dark hole wall, used for wall switch box inside diameter: 150-160 lampblack machine pipe hole.