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CLEANER POND WATER Designed for gravity-fed filtration systems, this 4" (110mm) bottom drain removes waste and debris directly from the deepest part of your pond, helping minimise sludge build-up. SUITABLE FOR KOI & GARDEN PONDS Ideal for koi ponds and large ornamental ponds, transporting solid waste efficiently to your filtration system before it breaks down in the pond. FITS LINER, CONCRETE & FIBREGLASS PONDS Supplied with a flange ring for liner installations and equally suitable for concrete and fibreglass pond construction. STANDARD 110MM SOLVENT WELD CONNECTION Compatible with standard 4" (110mm) solvent weld pressure pipe for a secure, watertight installation and reliable long-term performance. PROFESSIONAL POND INSTALLATION Protective dome helps prevent fish entering the drainage system while allowing debris to pass underneath. Best installed during pond construction for optimum performance.