Pisces 11w (Watt) 4 Pin Linear Pond UV Filter Bulb for Laguna Pressure Flo

KCT Replacement 11 Watt 4 Pin UV Tube. The 11 Watt 4 pin UV lamp fits the Laguna Pressure Flo Filter PF2500 and PF5000. These linear tubes are energy efficient and are extremely effective at helping to clear the algae in your pond. The bulbs also have ozone friendly ceramic ends, providing more efficient UV output To ensure the effective use of your Laguna Filter, its is recommended that you change the bulb in the unit every 6 - 12 months. Specifications 11 Watt. Will fit Laguna Pressure Flo PF2500 and PF5000 225mm Long