This offset downpipe bend is usually used as part of a pair to create a swan neck in the Galeco 135mm square downpipe system.
Square Large Downpipe - 80mm x 70mm x 4mtr Black
Cast Iron Square Downpipe Offset - 305mm Projection 75mm Black
FloPlast Deepflow/ Hi-Cap Downpipe Offset Bend - 112.5 Degree x 80mm White
Cast Iron Round Downpipe Offset - 610mm Projection 100mm Primed
Cast Iron Round Downpipe Offset - 150mm Projection 150mm Primed
Cast Iron Round Downpipe Offset - 230mm Projection 75mm Primed