DDE184 | G24q-2 DULUX Quad Tube Shape CFL Bulb, 18 W, 4000K, Cool White Colour Tone | RS
16W E14 Quad Tube LED Light Bulb Daylight (ASET4UDB) - ExtraStar UK Online Store
Replace Compact Fluorescent Plug-in Lamps with LED
Feit Electric 300-Watt Equivalent CFLNI Quad Tube E26 Base with Mogul Base Adapter Non-Dimmable CFL Light Bulb, Daylight 6500K PLF65/65/G2 - The Home Depot
MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps - Compact Fluorescent Bulbs - Amazon.com
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
27W 6500K Four Tube Fluorescent Bulb - FML Lamp 27 Watt Light Bulb Replacement with GX10Q-4 4-Pin Base in a Square - Daylight - Quad Tube CFL 6500k High Vision Table Lamp - 1 Pack - - Amazon.com
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