Osma SquareLine 4T818 Connector To 4.5" RoundLine Gutter 100mm Black

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) Joins SquareLine to RoundLine gutter Easy conversion to one profile to the other Conforms to BS EN 607:2003 SquareLine available in Black, White and Brown