11W G23 PLS Replacement UVC Lamp for Inductive Ballast - Pond Clarifier, UVC Filter for Aquarium - Eliminates Algae and Bacteria (Pack of 2)

High Purity Quartz Glass - 96% UVC Transmission This 11W PLS UVC bulb is designed with premium quartz glass, providing up to 96% UVC transmission for effective algae and bacteria removal. Ideal for ponds, aquariums and domestic water purification systems. Wavelength 253.7nm - Ozone Free, Safe for Fish 253.7nm radiation destroys the DNA of microorganisms without producing harmful ozone. It ensures powerful sterilization while being perfectly safe for aquatic life. Exact Dimensions