Comes with instructions on USB drive, lubricant, and sanitizer pack. Also a hardness test strip so you know how to set your softener and one of our drinking water bottles as a gift to you. This model has the 10% Cross linked resin upgrade for longer life! Eliminate hard water scale build up and reduced soap efficiency with our complete whole house water softening unit with high efficiency Fleck 5600SXT Digital on-demand control valve. 1.5 ft.³ high capacity resin – removes hard water – using the ion exchange process This system removes the calcium and magnesium ions that cause hard water. By eliminating hard water you extend the life of your homes Plumbing and appliances! Meter based regeneration – this means that the water you use is measured and the system only regenerates when it needs to. Fleck 5600SXT Digital control – The SXT controller is the newest controller from Fleck and is built on the tried and true 5600 valve. These valve have an outstanding 5 year warranty and have been tested to run continuously up to 27 years! In addition the SXT controller offers some great features including a back-lit LCD display touch pad controls 48 hour internal power backup and a user friendly interface. Black structural mineral tank – durable poly-glass tank is made by one of the most popular manufacturer of tanks and comes with a 10 year warranty. The standard square black brine tank included with this system can hold about 250 lbs. Of salt. The included safety float prevents overfilling and the overflow drain acts as an additional backup to avoid water messes. Diy installation – we provide detailed installation instructions that allow most homeowners to install This system themselves.