Flexseal

Flexseal 100-115mm Drainage Coupling DC115 - Fernco, previously known as Flex seal Flexible EPDM Rubber Drain Coupler for Repairing or Connecting Non-Pressure Pipes Between 100mm to 115mm. Easy to Install Providing an Efficient, Airtight and Watertight Connection.

Flexseal 121-136 / 110-121mm Adaptor Coupling AC4000 - also known as a reducer coupling, is designed with a stepped moulded sleeve that allows it to connect unadopted drainage pipes together that have different outside diameters – connecting larger pipes to smaller pipes and vice versa. Each end has a stainless-steel clamping band used to create a strong seal between the pipe and the coupler.