Rated a best buy for performance and value. Features money-saving demand regeneration and 6th Sense Technology which learns and predicts your water usage to regenerate only when you need it and automatically calculates how much salt to use vs. using a fixed amount. Connects to plumbing up to 1 inch in diameter. Rated a best buy for performance and value by a leading consumer magazine Exclusive 6th sense technology automatically calculates how much salt and water is required to regenerate, saving salt and water 5 Year warranty available Multi-purpose system; designed to remove up to 105 grains per gallon of hardness and 9 ppm of ferrous iron Ideal for households of up to 1-5 people and removes high levels of water hardness and iron NSF certified to reduce hard water symptoms such as buildup, and helps your water using appliances operate more efficiently System monitor - indicates when salt is low and that the softener is operating properly Installation kit included - connects up to 1-in copper, PEX, CPVC and other major plumbing; high flow valve delivers flow rate of 15.3 gallons per minute Designed, engineered and assembled in the USA Type: Water softener system Depth (Inches): 21.4 Height (Inches): 44.5 Household Size: 3-4 people Maximum Grain Capacity (lbs.): 33000 Salt Storage Capacity (lbs.): 175 Width (Inches): 21.4 Demand Regeneration: Yes Hub Required: No Lowe's Exclusive: No Max Clear Water Iron (Parts Per Million): 9 PPM Max Water Hardness (Grains Per Gallon): 105 GPG Salt-Free: No Tank Material: Plastic Use Location: Home Voice Controlled: No Warranty: 1-year App Compatibility: No Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No CA Residents: Prop 65 Warning(s): Yes UNSPSC: 41104200