Please Note: One function pressure boost handset Flexi Fix riser rail allows simple installation Optional 50% water saving washer included Designed to provide high pressure spray even with low pressure systems Riser rail can be glue fixed, screw fixed, or fixed to existing screw holes 1-year guarantee If your current shower head has seen better days, then why not consider a matt black Croydex Precision shower handset and riser kit? With a one-function pressure boost handset and a Flexi fix riser rail which allows for easy installation what more could you want?