These where supplied to me broken by sales desk in Hampstead branch.
Also not sure why their overpriced at about 300% higher than the 112mm or 175mm it doesn't make sense or just because are harder to find.
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.
Wavin OsmaSoil is a PVC-U Soil system for sanitary waste removal. A comprehensive system available in a variety of colours and sizes with either push-fit or solvent weld joints.
Osma PVC-C solvent weld waste is suitable for both interior and exterior use and is designed to withstand higher in-service temperatures. It has UV and heat resistance as well as fire retardant properties.
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.
Wavin OsmaSoil is a PVC-U Soil system for sanitary waste removal. A comprehensive system available in a variety of colours and sizes with either push-fit or solvent weld joints.
Osma PVC-C solvent weld waste is suitable for both interior and exterior use and is designed to withstand higher in-service temperatures. It has UV and heat resistance as well as fire retardant properties.