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.. " Functions: Replace And Restores: Natural Trace Minerals Required By Our Bodies Such As Iron Zinc Magnesium Potassium And Iodine. Gradually Releases These Mineral Substances. Removes The Rubbish: Rust And Organic Sediment Particles And Stops The Propagation Of Bacteria. Removes Chlorine Pesticides Organic Matter Heavy Metals Iron Nickel Mercury And Arsenic Bad Smells And Taste Bacteria And Parasites E.G. Giardia. Easy Installation: Soak The Filter In Water Overnight And Wash Under Warm Water (Not Boiling Water) For 10 Min Till All Black Discharge Comes Out From The Finest Quality Of Charcoal.