POWERFUL AND : This UVC light is specifically designed to optimize water filtration systems in ponds, pools, and similar environments, significantly improving water purification efficiency with a rate of 99.9 percent Crafted with high- mission quartz tube and a G23 base, it ensures a long lifespan of up to 8,000 hours, offering a cost-effective solution for continuous use : Free from , this UV bulb is perfect for maintaining pristine water quality in ponds and filtration systems Please proper disposal at of its lifespan, minimizing environmental impact and helping to preserve a healthier planet UV radiation hazard. EASY TO USE: Always power off the device before installing or replacing the UV bulb to prevent electrical hazards Insert the bulb into the designated socket using the proper installation procedure, ensuring the UV tube remains intact This bulb is compatible with inductive ballasts only and is not suitable for devices with electronic ballasts VERSATILE APPLICATION: Crafted with adaptability and practicality in mind, this UV lamp is easy to carry and install wherever needed Additionally, it is specifically designed for products with G23 base, 13W lamps, and inductive ballasts, ensuring optimal performance in compatible lighting systems EXTENSIVE COMPATIBILITY: This bulb is designed to work with a variety of pond and fountain filters, including various GPH pond filters with 13-watt light, delivering effective water purification Color:As Shown Material:Glass Package Contents: 2 x 13W UV-C Replacement Bulb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.ean or sku:4891662150143