Toilet water tank is generally used 2.5 inches of soft water pipe its joint for both sides of the screw, is cured in advance, you can buy back to install the use of the purchase when you choose 2.5 inches of soft water pipe, generally its length is 60 to 1 meters
If the pipe at the bottom of the toilet well is 110 bore, if it is the water inlet pipe, most of them are 32 centimeters, and the pipe of the water tank with no more than the color tube should be 32.