Wavin Osma SquareLine running outlet 100mm black 4T806B
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Wavin Osma SquareLine is a 100mm (4″) square section gutter system with 61mm square pipe – suitable for a maximum roof area of 178m² (with one downpipe) Hydrodynamic outlet to handle more rainwater Connects SquareLine gutter to 61mm downpipe Concealed socket to hide downpipe cut end Retained seals for secure, watertight installation Conforms to BS EN 607:2003 Range available in Black, White and Brown
