Utilitech 50-Watt EQ MR16 Bright White GU10 Pin Base Dimmable Light Bulb (3-Pack) at Lowes.com
Feit Electric 50W Equivalent MR16 GU5.3 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White (144-Pack) EXN/930CA/6/24 - The Home Depot