This is a 11W UV-C globe.
TUV PL-S 11watt g23 base
Suits all UVC sterilizer using a 11W UVC globe.
Ultra Violet(UV-C) lamp for use in pond water clarification, germicidal, disinfection and sterilization applications.
An alternative to the Philips PL-S TUV.Will fit Aqua One, Sun Sun, Jebao, Jebo and most other 11W UV-c sterilizers.