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
GE 97613 26 W Quad-Tube Compact Fluorescent Light Bulb - - 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
13 Watt Quad Tube Fluorescent Bulb - Shades of Light
LED Trail Rose city 250-Watt EQ LED Quad Tube Bright White Flood Light Bulb (4-Pack) in the Spot & Flood LED Light Bulbs department at Lowes.com