3x Energetic PL 13W 590lm G23 2 Pin Energy Saving Cool White Lamp CFL Light Bulb | eBay
4x 13W Replacment Bulb for SunSun JUP-23 Pump 13 Watt UV G23 2 Pin Base 13Watts – ASA College: Florida
Bonlux 2-Pack 6W G23 2-Pin LED PL-S Lamp Warm White 13W CFL Equivalent, 180 Degree Beam Angle LED PL Horizontal Recessed G23 Bulb for Compact Fluorescent Lamp Replacement (Remove/Bypass The Ballast) - -
Bonlux 6W LED PL Retrofit Lamp G23 2-Pin Base 13W CFL Replacement 180 Degree Beam Angle LED PL Horizontal Recessed G23 Bulb, Remove/Bypass the Ballast, Daylight 6000k, 2-Pack - Walmart.com
6w G23 Led Pl Bulb Lamp 2-pin Base Led Horizontal Plug Down Light 13w G23 Base Cfl Pl Compact Fluorescent Replacement Lamp - Led Bulbs & Tubes - AliExpress