Wavin Osma StormLine stopend external left-hand 111mm black 8T841B

Wavin Osma StormLine is a high capacity domestic system with ogee profile – suitable for a maximum roof area of 254m² (with one downpipe). Use with RoundLine or SquareLine downpipe. Fits over the left hand side StormLine gutter to blank off the end Contains retained seal for secure, watertight fit Conforms to BS EN 607:2004 Range available in black and white