Keep your Fluval FX series filter's UVC sterilizer working effectively with the genuine Fluval FX UVC Replacement 6w Bulb. Over time, the effectiveness of UVC bulbs diminishes, so replacing it annually ensures your filter continues to combat algae blooms and harmful microorganisms in your aquarium water.  

Easy to install, simply replace the old bulb with this genuine Fluval replacement to maintain the optimal performance of your filter's UVC system. Don't let cloudy water or harmful pathogens compromise your aquarium's health – ensure continuous protection with a fresh Fluval FX UVC Replacement 6w Bulb. It's a small investment for a big difference in water clarity and the well-being of your aquatic inhabitants.