6 x MR16 50w Halogen Light Bulbs 12v Low Voltage GU5.3 | eBay
Amazon.com: TORCHSTAR MR16 LED Bulb Dimmable, 7W 12V 490LM 50W Equivalent, 3000K Warm White, GU5.3 Bi-Pin Base MR16 LED Spotlight, LED MR16 Light Bulbs for Recessed and Track Lighting, UL & ES
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
Philips 50W 12 Volt MR16 GU 5.3 2-Pin Flood Light Bulb Open Face EXN | eBay