At ShopUVBulbs, we understand the importance of quality and effectiveness when it comes to maintaining a healthy water supply. That's why we have paid special attention to the detail and formulation of our UV bulbs and filters. With a lifespan of 12,000 hours, you can enjoy long-lasting performance and peace of mind knowing that your water is being effectively treated. To ensure your satisfaction, all our UV bulbs and lamps come with a 1-year warranty (pro-rated after 90 days). Plus, for added value, we offer 2-year replacement lamps. Simply select this option at checkout to extend the life of your filtration system even further. Don't compromise on the cleanliness and safety of your water. Choose ShopUVBulbs for high-quality UV bulb and filter replacements that deliver exceptional performance and reliability. Upgrade your Culligan UV light and filter system today for the cleanest, purest water possible.