100mm test plug is used with the inflatable PVC drain testing bags for the testing of pipes on new heating installations. They allow you to check a system is sound and air tight before the addition of water. This makes the drain test bags and plugs a useful product to many in the construction trade including new build plumbers and construction.
The 100mm test plug is steel with a zinc plating.
The drain test plug will fit pipes with an internal diameter of between 94mm-108mm.
The manufacturers product code is 73062 for this item. Fix247 sell these drain plugs as an individual item and they do not have a minimum quantity.