Most houses have round downpipes connected to the spouting, directing water down into the drains. This downpipe diverter is perfect for diverting sludge, leaves, dirt, sticks etc from downpipe and away from drains. Simply cut out a piece of the downpipe and fit in the diverter. The push in and drop down flap adjusts outwards to divert unwanted waste that can block drains. This is suitable for PVC and steel downpipe.