Sparkle Smart Storage UV Series Sparkle Storage UV Series is the latest offering from Alfaa UV with unmatched features. Sparkle Plus and Sparkle Smart incorporate a 5 step purification process with 8 litre storage. Exclusive "Bioguard" prevents storage tank contamination. Inbuilt TruGuaard voltage regulator. StandBy Mode for extended UV life. Hygenic Stainless Steel purification chamber.Lamp & Carbon Change Indicator. Wall mount / Countertop option.