GE 20872 Q50MR16C/CG15 50W Halogen Constant Color MR16 12V - Halogen Bulbs - Amazon.com
GE EXN 50w 12v MR16 Flood w/ Front Glass ConstantColor Halogen Bulb - Walmart.com
GE 20833 EXN Light Bulb - BulbConnection.com
Feit Electric 50W Equivalent MR16 GU5.3 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White (18-Pack) BPEXN/930CA/3/6 - The Home Depot