Jupiter Melody Water Ionizer - Model JP104 (Aqua Viva) 9 pH settings with easy one-touch operation and adjustable volume, On/Off indicator to alert you of your pH level. Includes .1M Biostone Filter and 9 Step single-body water filter for healthier, cleaner water. Top performing Platinum Titanium electrodes and patented double action reverse cleaning system. Install directly to your faucet or with the optional Under Sink Instillation Kit, the Melody can be stored under the counter. New 5 Year Warranty and 90 day Unconditional Guarantee.