Osma SquareLine 4T838 Pipe Wall Offset 61mm White
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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) Provides 48mm offset to enable connection to drain outlet Generally required when installing SquareLine flush to the wall. Ideal for domestic housing projects Conforms to BS EN 12200-1:2000
