Model: PL-S9W/TUV/G23 Energy Used: 9W Type: Ultraviolet Germicidal Bulb (UV-C)253.7nm Base Type: G23 Base TUV PL-S lamps are compact UVC Ultraviolet germicidal bulbs used in residential water and air disinfection units. The compact size of bulb allows for a small system design and design flexibility. Our TUV PL-S lamps offer constant UV output over their complete lifetime to close to 10,000 working hours for maximum security of disinfection and high system efficacy. The lamps are design to perfectly fit the G23 base sockets. Our UVC germicidal lamps operates at 9 watts and has an ultraviolet output of 2.4 watts. It has an average life of 10,000 hours.