Delta® is committed to supporting water conservation around the globe and has been recognized as WaterSense® Manufacturer Partner of the Year in 2011 2013 and 2014. Upgrading to a new Delta® showerhead is a great weekend DIY project. No special tools are required. Soft rubber spray holes allow you to easily wipe away calcium and lime build-up from the spray face of your showerhead and hand shower with the touch of a finger.