ETOPLIGHTING MR16-12V-50W-2P 50-watt MR16 with UV Front Glass 12V Halogen Flood Reflector Light Bulbs, 2-Piece - Amazon.com
LUXRITE MR16 LED Bulb 50W Equivalent, 12V, 4000K Cool White Dimmable, 500 Lumens, GU5.3 LED Spotlight Bulb 6.5W, Enclosed Fixture Rated, Perfect for Track and Home Lighting (6 Pack) - Amazon.com
GE 20872 Q50MR16C/CG15 50W Halogen Constant Color MR16 12V - Halogen Bulbs - Amazon.com
MR16 Halogen Bulb 50W Dimmable 12V GU5.3 Bi Pin Base Spotlight with Long Lifespan, 2700K Warm White MR16 Bulbs with Clear Glass Cover for Landscape, Track Lights, Fiber Optics, Desk Lamps, 6