The Fernco Adaptor Coupling AC1602 is a professional-grade solution engineered for reliable, permanent sealing in drainage systems. Designed to connect pipes with outside diameters ranging from 144-160mm to 110-122mm, this coupling ensures an airtight and watertight seal in seconds. Its robust construction allows for easy installation using only a standard nut driver and torque spanner, eliminating the need for specialist tools, adhesives, or glues. Built on decades of drainage engineering expertise, this adaptor is the ideal choice for housing developments, private roads, industrial sites, and agricultural drainage projects. It is perfectly suited for both new installations and the repair of existing pipe systems where damaged sections require replacement. The flexible design maintains long-term structural integrity in demanding environments. Product Summary: Fernco AC1602 flexible drainage adaptor coupling for pipe connection, compatible with 144-160mm and 110-122mm outside diameters, suitable for professional plumbing and civil engineering drainage repairs.