LSE Lighting Pack of 2, 9W 9 WATT UV UVC PL-S9/TUV G23 Light Bulbs Brand: LSE Lighting (Trademark of Light Spectrum Enterprises Inc) Base: G23 Bi-Pin - Life: 10,000hrs Super Life Wattage: 9W This UV replacement lamp by (LSE Lighting) is 100% compatible with any of the 9W UV G23 base sterilizers.