This Waste Hose from Pennine Leisure has a 28.5mm outer diameter and is convoluted so it can be bent to fit into your plumbing system. ___Please note: the price shown is for a ONE METRE length. If you need more than one metre, then order the quantity that you would like in metres. For example, if you require 5 metres, order five of this item, we will provide you with a single 5 metre length of hose, cut to size.