Our steel hoppers, to be used in conjunction with our 125mm square steel guttering products, is used to collate all flows of water in the rainwater system into a single downpipe. These hoppers are manufactured by Galeco and are designed to be both a highly efficient part of a rainwater system as well as an attractive part of any property that it is installed on.At the bottom of this hopper there is an 80mm x 80mm hole, which is where our 80mm x 80mm steel square downpipe can be connected.