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
LUXRITE MR16 LED Bulb 50W Equivalent, 12V, 2700K Warm White Dimmable, 500 Lumens, GU5.3 LED Spotlight Bulb 6.5W, Enclosed Fixture Rated, Perfect for Track and Home Lighting (6 Pack) - Amazon.com
Sevici MR16 Halogen Bulb 50W 12V 2 Pin GU5.3 Base 36° Beam Angle 2700K Warm White MR16 Bulb Dimmable with Clear Glass Cover for Landscape, Track, Fiber Optic, Desk Lamp 6 Pack - Amazon.com