Pisces Twin Pack 24w (watt) PLL Replacement UV Bulb Lamp for Pond Filter UVC

Pond PLL UV Bulb - Pisces Twin Pack 24 Watt UV Bulb PLL, a bulb with 2 adjacent glass tubes and large white base and 4 pins, suitable for most pond filters and UV systems that take a 4 pin PLL style UV bulb. High Quality Materials - Each clear glass UV bulb is made of tough materials to ensure they stand up to the job. These bulbs work to clear your pond or aquarium water by removing unsightly green algae. The strong ultraviolet light breaks down the algae in the water as it passes by the UVC lamp. Effective UVC Tubes - A new UV bulb working at full strength will greatly improve the efficiency of your filtration system or relife a bulb that may have stopped working. Easy to Fit - The Pisces bulbs are simple to fit inside your pond UV filter. Follow guidance of your appliances instruction manual to ensure correct fitting. It is recommended replacing pond UVs every 12 months Dimensions - 24 Watt UV bulb -319mm long . 2 Pack - Slip in attaching base with 4 pins underneath.