Wavin Osma RoundLine is a 112mm (4½") gutter system with a circular 68mm downpipe, designed for domestic standard use. It is suitable for a maximum roof area of 163m² with one downpipe. This jointing bracket connects two ends of the RoundLine gutter without the need for an additional bracket, as it fixes directly to the fascia. It features expansion markings for correct allowance of thermal expansion. The range is available in black, grey, white, and brown.