PondXpert PLL UVC LampMaintain crystal clear water with the PondXpert PLL UVC Lamp, a PLL bulb designed for PondXpert UV clarifiers. This efficient lamp uses UV C light to eliminate algae and pathogens, enhancing water quality for fish and plants. A PondXpert necessity for keeping your pond pristine and vibrant. Features: Size: PLL bulb size Construction: Durable UV C material Performance: Kills algae, improves clarity Setup: Insert into UVC unit