Monarch Ultra HE battery powered twin tank water softener replaces the Monarch Plumbsoft Non Electric Solo and Monarch Solo Ultra Non Electric Water Softener. Includes a 10kg Bag of Food Grade Tablet Salt The Monarch Ultra HE is dual powered battery operated water softener powered by a single long-life 9V battery. The innovative ULTRA HE twin tank softener require no power plug supply and come fully loaded with next generation technology. Saving up to 32% water and up to 13% on salt use compared to previous models, these softeners are a sustainable choice for installers and consumers alike. The Monarch Ultra HE softener include a revolutionary duplex series Sof'N'polish™ system with double the contact time for ultra soft water. Combined with Monarchs unique Opti Brining .