Delta Watersense Labeled Faucets, Showers And Toilets Use At Least 20% Less Water Than The Industry Standardsaving You Money Without Compromising Performance. Our Shower Heads Feature A Wide Range Of Styles And Innovations, And Install In Less Than 20 Minutes - No Special Tools Required. Delta Lumicoat Finishes Are Guaranteed To Resist Water Spots And Mineral Buildup And Easily Wipe Clean Without The Need For Cleaners Or Chemicals. While Other Products May Gather Unsightly Mineral Build-Up Over Time, Delta Soft Rubber Touch-Clean Spray Holes Allow Any Mineral Residue To Simply Be Wiped Away For An Instantly Refreshed Look With No Need For Soaking Or The Aid Of Chemical Cleaners.