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The Flexible Drain Coupling 150 mm – 165 mm is a drainage connector designed to join plain-ended or cut sections of pipe with outside diameters between 150 mm and 165 mm, providing a secure, airtight and watertight transition in underground and surface water drainage systems. Made from durable EPDM rubber with reinforced stainless-steel clamp bands, this flexible coupler accommodates slight size variations and differing materials such as PVC-U, clay, concrete and cast iron for reliable performance in new installations and repair work. Its simple clamp-tightening installation makes it suitable for domestic, commercial and civil drainage applications where secure pipe connections are needed.