SANSUN 2.4W LED MR11 Light Bulbs, 12v 20w Halogen Replacement, G4/GU4/GZ4 Bi-Pin Base, Soft White 3000K, Non-Dimmable, (Pack of 12) - - Amazon.com
MR11 GU4 12V 20W - Onderdelenhuis Veendam
CBconcept UL-Listed MR11 GU4.0 LED Light Bulbs, 5-Pack, 2 Watt, Dimmable 230 Lumen, Pure White 6000K, 36° Beam Angle, 12 Volt, 20W Halogen Bulbs Equivalent, Landscape/Accent/Recessed/Track Lighting - - Amazon.com
Feit Electric 20-Watt Equivalent MR11 GU4 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White BPFTD/930CA - The Home Depot