Amazon.com: Sunlite 35 Watt, 10 Spot, MR8 Mini Reflector with Cover Guard, G4 Bi-Pin Base : Everything Else
Makergroup MR8 LED Bulb 12V, MR8 LED Spotlight 10W 20W Halogen Lamp Replacement GU4.0 Base Warm White Color 2700K for Indoor and Outdoor Low Voltage Landscape Lighting (2-Pack) - Amazon.com
Hikari MR8525 MR8 Medium Angle 35W Halogen 12V Flood Bulb Bi-Pin Base (For Fiber Optics) - Amazon.com
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MR8 Bulbs – Bulbstock
High quality MR8 LED Bulb 2W AC/DC 12V LED Lamp Spotlight 6LEDs 5050 SMD Light Chandelier Warm/Cold White Replace Halogen Bulb - AliExpress