Holman PVC Stormwater Slip Coupling is an essential part of a rainwater tank plumbing system. Made from quality recycled PVC, and are used for stormwater and rainwater drainage. This is ideal for garden installation, integrating with other water harvesting systems, and collecting water from roofs, gutters and downpipes. Designed to handle large amounts of water flow, making it ideal for use in stormwater systems. - Made from quality recycled PVCDesigned for stormwater & rainwater drainage - Reroutes greywater into the garden - Perfect for setting up plumbing from rainwater tanks - Watermark Certificate: AS/NZS1254 – AMI 70007