13w PLS Two Pin UV Bulb Replacement

13w PLS Two Pin UV Bulb Replacement High quality replacement ultraviolet PLS bulbs, compatible with all mainstream aquarium fish tankand pond equipment, including sterilisers and UV filters. It is recommended to replace UV lamps used for pond purposed every 6 months (4000 hours) and UV lamps used for aquarium purposes are replaced every 6-12 months (4000-8000 hours). Power: 13wType: PLS 2-pin UVC Dimensions: 175 x 20 x 35mm (L x W x H) Warning: Dangerous Ultraviolet Radiation do not look directly at the bulb, harmful to eyes and skin.