T8 55 Watt UV-C Replacement Germicidal Lamp for Water Garden Koi Fish Ponds
55 watts T8 UVC Germicidal Bulb. Details: Quality UV Bulb for all popular makes of filter. Standard Industry size. Pondh2o UVC bulbs are purposely made for UV-C Filter & Clarifier systems for both Ponds and Aquariums.