Amazon.com: (Case of 12) TCP 33127SP35K 27-watt Spring Lamp CFL GU Light Bulb, 3500-Kelvin : Tools & Home Improvement
27 Watt LED Corn Bulb - 5000K - 3,900 lumens
SUNLITE FML 27W 3000K Warm White Quad Tube GX10Q-4 4Pin Base Fluorescent Bulb - Walmart.com
Feit Electric 27-Watt Linear CFLNI PL Fluorescent Quad Tube 4-Pin Plug-in GX10Q-4 Base Compact CFL Light Bulb, Daylight 6500K (1-Bulb) BPPL27F/65K/HDRP - The Home Depot