You get the #1 rated AQ-4000 Dual-Filter Countertop Drinking Water System complete with one of our Aquasana Under-sink Deluxe Installation Kits for under-sink installation of the Aquasana AQ-4000 filter system, documented to be the highest rated home water filtration system in America… for both performance and value! You get the AQ-4100 Shower Filtration System, (voted "Product of the Year" by Cosmetology Today magazine, and "Best Buy" by Consumers Digest magazine in 2006), complete with two-stage filter cartridge and our deluxe adjustable-pressure shower head. Recent studies document the benefits of shower filtration. Shower water is proven to be 7-10 times more unhealthy than drinking water.