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The Pondmaster 20 Watt Ultraviolet Clarifier can be used either in-line or submersed. Its black color makes it unobtrusive in any pond application and its unique halo ring design lets you know the product is working. Each unit comes with a 9000-hour long-life UV lamp and water-tight quartz sleeve to ensure maximum performance. Convenient 1-inch barbed fittings for quick installation. Can be used with pumps of up to 1800 GPH capacity.


  • A fully submersible unit’s vortex flow design exposes water longer to ultraviolet light. Suitable for medium ponds up to 3,000 gallons using pumps up to 1,800GPH
  • Two glowing monitor halo rings and comes complete with 9,000 hours, long-life 20-watt lamp, and water tight quartz sleeve
  • Includes transformer and 18′ grounded power cord
  • 1-inch barbed fitting for inlet and outlet


  • Brand: Pondmaster
  • Item Dimensions: 6.00 x 18.50 x 6.00 Inches
  • Item Weight: 4.40 Pounds
Weight 1 lbs