The CRYSTAL QUEST Luxury Shower Power White With Massage showerhead is the most advanced shower filter on the market. Removes chlorine, chloramines, VOCs, THMs, pesticides, sulfur, heavy metals, hydrogen sulfide (rotten egg odor), iron oxide (rust water), dirt, sediment and other odors and it's pH balanced. It works in the shower by filtering the water through two stages of KDF and Granular Activated Carbon. The results are that you will have a healthy and refreshing shower experience. CRYSTAL QUEST Luxury Shower Power will give you smoother, softer skin and hair that is less dry. An extra bonus is that your tub and shower area will be cleaner too. The unique drop-down filter design allows for a substantial amount of filtration media enabling more contact time with the water. More contact time means better filtration. This design also allows for more head room than most other shower filters. The replaceable cartridge makes maintenance simple and affordable. CRYSTAL QUEST Luxury Shower Power contains a reversible filter cartridge which lasts about a year. This high performance shower filter combines easy operation and maintenance with the ultimate in structural integrity and overall reliability. In fact, CRYSTAL QUEST Luxury Shower Power is the strongest replaceable shower filter available on the market today. It can be easily changed and operated in either direction. Periodic reversing of the cartridge not only ensures balanced filtration and eliminates the potential for channeling, but also back-flushes the cartridge as it is filtering. CRYSTAL QUEST Luxury Shower Power is durable and has an elegant design, it is easy to install, has 2-stage filtration, high capacity, reversible filter cartridge, has a 1 year filtration capacity and comes with an optional high-quality adjustable power massage showerhead.