Sunlite 50-Watt Equivalent PAR16 Energy Star and Dimmable GU10 Base LED Light Bulb in Cool White 4000K (6-Pack) HD03546-6 - The Home Depot
LAMP LED GU10 7W 4000K DIMM WXX915 - Eagle Lighting
JSVSAL (6-Pack Dimmable MR11 GU10 35mm Mini LED Light Bulbs,4000K Natural White, AC 120V, 3W GU10 Base Spotlight Bulbs Replace 25-35W Small Halogen Bulb for mr11 Track Lighting - Amazon.com
TorchStar Dimmable LED MR16 GU10 Base Light Bulb, 6.5W (50W Equivalent), 500lm, 4000K Cool White, Pack of 6 - Walmart.com