Bulbrite Mini 75-Watt Equivalent T4 Double-Contact Bayonet Base BA15D in Frost Finish Dimmable 2900K Halogen Light Bulb (5-Pack) 860811 - The Home Depot
LED 4W - BA15d Double Contact Bayonet Base - 4000K - Replaces 50W Halogen - 120V - LED Miniature Lamp | CityLightsUSA.com