Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
All-Pro All-Pro Bulb 26W 1110 Lumens Dusk To Dawn 4 Pin CFL 1pk 3189131 from All-Pro - Acme Tools
Ushio 3000235 - CF13DE/865 Double Tube 4 Pin Base Compact Fluorescent Light Bulb for sale online | eBay
LED 4-Pin CFL Direct Replacement Light Bulb G24Q 9 Watt | Step 1 Dezigns
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
LED PL/CFL Direct Wire Retrofit for 2 or 4-Pin CFL Bulbs - Choose Your Retrofit Options