Premium-quality quartz crystal T5 four-pin one end germicidal UV bulbs, designed for ultraviolet clarifiers to eliminate green water in ponds and aquariums. These UV bulbs effectively sterilize single-cell algae, keeping your water garden, koi pond, or aquarium crystal clear and healthy. Compatible with submersible Pondmaster UV’s, and many more.
- UVC110: 10 watt bulb – Length 8-3/4″
- UVC411: 11 watt bulb – Length 9″
- UVC120: 20 watt bulb – Length 14-3/4″
- UVC425: 25 watt bulb – Length 17-3/4″
- UVC141: 40 watt bulb – Length 20″
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