The On-The-Go Portable Dual Bed Deionizer produces 2-1/2 time more water to reduce your operating cost by about 50% compared to the mixed bed deionizer system. Dissolved solids are the culprit causing water spotting after rinsing your RV. The deionizer [DI] uses ion exchange technology that will remove all the solids from the water source, resulting in mineral free water that leaves no spotting after rinsing a clean RV. The unit will produce approximately 460 gallons of water, good for 92 auto rinses or 15 class A RV rinses, before recharging is necessary. The compact space-saver design of the Dual Bed Deionizer fits a very small footprint of 8" x 20" and includes two tanks each weighing only 18 lbs. and measuring 22"H x 6.75" dia. The unit contains 1/4 cu. ft. of high-grade virgin premium deionization resins. Its unique features includes easy-to-carry handle on top, high-grade premium virgin resin, 360° swivel for easy connection of the inlet hose, and travel-friendly option of a cap and plug for storage. The On-The-Go Portable Dual Bed Deionizer works great in your driveway or on the road. The unit is easy to transport and hook up. It comes complete with a high-flow shut-off valve, 4' hose, polypropylene cam lever for quick between-tank set-up, and a cap and plug for travel, plus an easy-to-read handheld digital TDS meter with automatic temperature compensation. TDS meter lets you know when to recharge the deionizer. Easy-to-carry handle for portability High-grade premium virgin resin Easy-to-read handheld TDS meter lets you know when to recharge | On the Go On-The-Go Portable Dual Bed Deionizer