The curved section hooks over and into your gutter. A powerful water jet cleans out the leaves and dirt. So this gutter cleaner will reach most two storey gutters. Each gutter cleaner comes with full operating instructions. The gutter cleaner is an accessory for any of our window cleaning and conservatory systems. Also the 180 degree fan spray is used to wash and remove any debris off walls. The fan spray is the jet pipe on the window system and useful because it rinses down gutter sides or brick work.