PHILIPS Halogen Bulb: MR11, 2-Pin (GU4), 20 W Watts, 215 lm, Halogen - 492Z34|20MRC11/FL30 PRO FTD 50PK - Grainger
Amazon.com: BAOMING MR11 LED Bulb Daylight 6000k 20W/35w Halogen Replacement, GU4 Base 12V Low Voltage 30° Spot Light Not-Dimmable 10-Pack : Everything Else
Feit Electric 25-Watt Equivalent MR11 GU4 Bi-Pin CEC 12-Volt Landscape Garden LED Light Bulb, Bright White 3000K (12-Pack) BPLVMR11830CAHDRP/12 - The Home Depot
MR11 - EmeryAllen, LLC
ALIDE MR11 GU4 Led Bulbs 3000K Soft Warm White 3W, Replace 10W 20W 35W Halogen Equivalent,12V MR11 GU4 Low Voltage Spotlights for Outdoor Landscape Flood Yard Track Lighting,Not Dimmable,30 Deg,6 Pack - -