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
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 4 Pin GX24Q-2 Base 3000K Warm White | 18W High Output 1200 Lumens | Triple Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement
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
Sunlite 9 in. 18-Watt U-Bent T6 FUL 4-Pin GX10Q CFL Fluorescent Tube Light Bulb, Black Light (5-Pack) HD02596-5 - The Home Depot
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