HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Product Features Reduces Scale Build-Up The Whole House Salt-Free Descaler Utilizes Water Flow To Impact An Internal Special Physical Structure Generating Microcurrents That Activate Calcium Ions In The Water Preventing Crystallization Into Scale With A Scale Descaling Rate Of 86%. Physical Scale Descaler Requires No External Power Or Chemicals So Our Descaler Does Not Alter The Water's Ph Generate Any Wastewater And Retains The Natural Minerals In The Water Making It Healthy. Easy To Install No Power Source Is Needed; Simply Install It At The Inlet Of The Main Water Line To Effectively Protect All Your Water Equipment. The 18 Gpm High Flow Rate Is Compatible With Most Standard Plumbing. Durable And Maintenance-Free The Internal Saas Alloy Material Can Continuously Release Electrons For Over 10 Years With No Cleaning Or Maintenance Required During This Period. Wide Application Suitable For Various Hardness Levels Of Municipal Tap Water You Can Install It On Home Water Heaters Dishwashers Drinking Fountains Showerheads And Other Water Appliances To Improve Scale Issues Throughout Your Home.