sleeklighting - 13watt gu24 base 2 prong light bulbs- ul approved-120v 60hz - mini twist lock spiral -self ballasted cfl two pin fluorescent bulbs- 4200k 900lm cool white 4pack (60watt equivalent) - Walmart.com
SleekLighting Gu24 23Watt UL listed light bulb Two Prong Twist 2 Pin -T2 Spir... | eBay
Feit Electric 50-Watt Equivalent MR16 GU10 Dimmable Track Lighting 90+ CRI Frosted Flood LED Light Bulb, Bright White 3000K (6-Pack) BPMR16IFGU50930CA3/2 - The Home Depot