18 Watt Quad Tube Compact Fluorescent 4 Pin Replacement Bulb for Panasonic FDS18E35/4 by Lumenivo - G24Q-2 4 Pin Base – 3500K Neutral White - CRI 82 - 10,000 Hours - 1,250 Lumens - Amazon.com
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD13/HDRP - The Home Depot
220V Pure White Lights High Efficient 27W Quad Tube Compact Fluorescent Light Bulb 4-Pin Tube Light Bulb Energy Saving Lamp Bulb - AliExpress
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
Feit Electric 13-Watt PL CFLNI Quad Tube 4-Pin Plug-in G24Q-1 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD13E/HDRP - The Home Depot