About This Complete System - Resin tank for 1.0 cuft calcite media, Riser tube with distributor basket, Fleck 5600SXT Control Head, 1 cubic foot Calcite Media, 3/4" Stainless Steel Bypass Connection Neutralizes Acid - Corrects low pH, causing the water to be close to neutral. DIY Installation - Simple system connections and detailed installation instructions allow most homeowners to install this system themselves. For those who prefer to leave the work to a professional, most plumbers can install the system in 1-2 hours. 3.6 GPM Backwash Flow - Requires a minimum of 3.6 GPM available for backwashing. Fleck 5600SXT Digital Control Head - Reliable valve with advanced digital controller for efficient, user friendly control. Control head has a 5 year manufacturer warranty. Durable, high quality polyglass tank with a 10 year manufacturer warranty. Calcite Media - Naturally occurring calcium carbonate treats acid naturally. Overview Brand : AFWFilters Special Feature : Acid Neutralization, Backwashing, Smart Controls Product Dimensions : 9"L x 9"W x 48"H Material : Stainless Steel Capacity : 1 Cubic Feet Included Components : pH neutralizer Package Information : Tube Installation Type : Freestanding Purification Method : Ion Exchange Power Source : Manual Operation