Ushio 9W 4 Pin 2G7 Warm White Single Twin Tube CFL Bulb | CF9SE/827 | Bulbs.com
T4 Dulux 2G7 4-Pin Base 9W 120V 2700K by Raise Lighting | pl-s9w/4p/827 | RAI55339
Eheim UVC Lamp 2G7 for Reeflex UV system - Olibetta Online Shop
Amazon.com: SATZOL 5W 2G7 2GX7 LED Horizontal PL Bulb 6000K, Replacement for 9W 4 Pin PLS Fluorecent CFL Bulbs, Work with The 2G7 and 2GX7 Socket, Bypass The Ballast : Everything Else