High quality filament, strong sterilization and energy-saving effect Lamp This UV lamp is made of high quality quartz tube, with high ultraviolet transmittance and good sealing performance of the lamp body < span style=“font-size: 1px;"> UV sterilization removes bacteria, germs and algae from the water creating a healthy environment for your fish. Tempering with strong suction cup holds it and allows free position adjustment Suitable for disinfection of aquariums, aquariums, ponds and pools