Portable Water Softener 16,000 Grain Capacity, Perfect for Your Rv, Boat or Car Washing. [PERFECT FOR RVs] We have created the ideal RV water softener unit. Eliminates your hard water while on the road. Also great for car washing & boats too. [REGENERATES IN MINUTES] Very easy to regenerate and can be done in minutes. Just use table salt or rock salt. We provide easy to read instructions written by ABCwaters. [2000 GALLONS] Enjoy up to 2000 gallons of softened water between regenerations. Customers agree this has to be one of the most efficient units on the market today. [COMPACT DESIGN] This is our larger portable with more capacity. 10"x18" tank makes it easy to handle and store. Includes handle for easy carry and to secure. [ABCwaters brand] ABCwaters warranty, instructions and customer support included.