KosunRefill 2D 55W(F552D/830) Replacement Bulb for G E General Electric 40184 Light Bulb,55 Watt Fluorescent Bulb,GRY10Q-3 4-Pin Base,3000K - - Amazon.com
Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - -
LED PL/CFL Direct Wire Retrofit for 2 or 4-Pin CFL Bulbs - Choose Your Retrofit Options
Fern Howard LED 2D 4 Pin Lamp 11W 1000lm | Toolstation