Fernco Adaptor Couplings, sometimes referred to as reducer couplings, are designed to connect unadopted drainage pipes with different outside diameters – connecting larger drainage pipes to smaller drainage pipes and vice versa. These simple yet effective connectors can be tightened onto pipes using a nut driver and torque wrench, creating a permanent airtight and watertight seal in just seconds. Fernco Adaptor Couplings are the tried and tested method for connecting unadopted or private drainage systems, and with a range developed over 30 years, Fernco has an Adaptor Coupling for almost any pipe configuration. Applications include housing sites, private roads, industrial sites, agricultural land, and more. EPDM Rubber conforming to BS EN685 Stainless Steel grade 308 Provides a quick and efficient method of connecting pipes of different materials with similar outside diameters Reliable, tried and tested products Large variety of sizes for a multitude of pipe configurations