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)
Connects SquareLine gutter to 61mm downpipe c/w one end blanked off
Alternative to running outlet and internal stop end (lower capacity)
Concealed socket to hide downpipe cut end
Retained seals for secure, watertight installation
Conforms to BS EN 607:2004
Range available in Black, White and Brown