Wavin Osma SquareLine stopend external 100mm black 4T811B
by Osma
GTIN05011479101810
EAN5011479101810
MPN860619
Prices updated 16 Mar 2026
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Product Description
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) Fits over SquareLine gutter to blank off one end Contains retained seal for secure, watertight fit Conforms to BS EN 607:2004 Range available in Black, White and Brown
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