PATENTED DESIGN: Designed to be easily concealed behind your shower head, the patented design elevates the shower head and limits intrusion into the shower space SUPERIOR FILTRATION: Unique filter design reduces chlorine and sediment 3RD-PARTY TESTED: Proven to reduce impurities that may cause dry skin and hair QUICK FILTER CHANGES: Easy tool free filter replacement. Takes less than 2 minutes EASY, DIY INSTALL: Compatible with wall-mounted shower arms FILTER LIFE: Filter replacement needed around every 6 months (average 17.2 gallon shower per 10,000 gallon filter) LIMITED WARRANTY: You can install with confidence, knowing the Delta Clarifi Shower Filters are backed by our 5-year limited warranty and highly-trained live customer support