SuperLIFE - 10,000hrs Short-wave UV radiation with a peak at 253.7 nm Protective inside coating ensures constant UV output Factory Direct Prices Model: PL-L24W/TUV Wattage: 24W Type: Ultraviolet Germicidal Bulb (UV-C)253.7nm Base Type: 2G11 4pin Length Overall: 12 1/2" (317mm) Applications Use: Deactivation of bacteria, viruses and other micro-organisms Residential drinking water units Fish Pond and Aquarium Sterilizers In-duct air treatment units Stand alone air purifiers Air disinfection systems in for example hospitals, universities and laboratories TUV PL-L 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-L 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 2G11 4Pin base sockets. All Brand names, product names or trademarks listed on our page belong to their respective holdings. Manufacturer names are provided as a reference only for compatibility. PL-L24W/TUV 24 watt Germicidal UV UV-C Bulb Lamp 2G11 4pin Base All UV lamps are manufactured in EPA Registered Facility: EPA Est. No. 96823-PA-1 All lamps listed are equivalent brand UV products, manufactured to OEM specs and quality.