Diamond Series Shower Filter

What is in the Filterbaby Diamond Series Shower Filter Refill? What is the Filterbaby Diamond Series Made Of? What contaminants does the Filterbaby Diamond Series Shower Filter remove? How do I install my Filterbaby Diamond Series Shower Filter? Does the Diamond Series come with a shower head? Can I use the Filterbaby Diamond Series alongside my existing filtered shower head? What should I do if my Filterbaby Diamond Series is clogged or has low water pressure? What should I do if my Filterbaby Diamond Series is leaking? What should I do if my Filterbaby Diamond Series lid is stuck or won't open? Is the Filterbaby Diamond Series NSF certified?