Cascade Cast Iron Style 115mm Plastic Deepstyle Internal Stopend - Black Internal stopends are used with outlets, bends and corners to close off a run. Combining period Cast Iron detailing and styling, Deepstyle is a higher capacity semi elliptical rainwater system, providing greater drainage efficiency on larger roof areas. Features Authentic detailing and finish on downpipe, guttering, hoppers and fittings. Fully compatible with the Cast Iron Style Soil System. Incorporates 68mm Round Downpipe. Choice of Ogee, Bath, Gothic and motiffed hopper designs. Available in six colour options: Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone, Porcelain White.