Ready all the preparation for bell end pipe installation. Clean and wipe off the inner pipe or outer surface with cloth before the jointing of the pipe. Fold the Dual Hardness Rubbering and ensure it allow to enter inside the bell end head. Slowly place the Dual Hardness Rubbering inside bell end head and make sure it is to be fitted properly. The right placing of the Dual Hardness Rubbering should be fitted as the picture shown. Next, use the right Lubricant Wax and apply directly to the plain end pipe. Once apply the lubricant, slowly joint the bell end pipe by pushing both head and end of the pipe until it reaches the maximum line marking. Check and make sure the pipe are jointed correctly. INSTALLATION VIDEO GUIDE https://www.youtube.com/watch?v=NDbGeSqMJAA