Amazon.com: MR11 Type Halogen Light Bulb Down Reflector Spot Lamp 20 Watt 12V 2 Pin Oven Hood Range Lighting High CRI Bright Kitchen 45° Beam Warm White 20W GU4 Dimmable Replacement GL
MR16 Halogen 12V Spot Light Bulb Down Dimmable Reflector Lamp 10W 12V Ceiling Mount Spotlight Track
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
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Anyray 20W 12V MR16 Flood BAB 36 Degree with Lens 20 watt 12 Volts - Halogen Bulbs - Amazon.com