Keeping your fish happy and healthy, Purely UV germicidal ultraviolet bulbs (UV-C) deliver uncompromising performance at exceptional value. Made of 100% highest-quality quartz, warranted for 9,000 hours of continual use and guaranteed to fit your pump or filter, Purely UV replacement bulbs keep your aquarium and pond quartz-clean.

Download the Purely Replacement Bulb Cross Reference Chart (PDF).