20W Halogen Bulbs 20 Watt T3 G4 Base 12 Volt Halogen Light Bulb 20W 12 Volt T3 JC Lamp for Landscape Track Lighting,G4 T3 Bi-Pin Base,Clear,Warm White,Pack of 10 - - Amazon.com
12 Pack, G4 Halogen Light Bulb , T3 JC Type Clear 20W 12V AC/DC Bi-Pin Bulb for Landscape Lighting,Accent Lights, Track Lighting,Under Cabinet Puck Light, Chandeliers,360°Beam Angle/Warm White - - Amazon.com
Feit Electric 20-Watt 12-Volt T3 JC G4 Bi-Pin Base Dimmable Landscape Garden Halogen Light Bulb, 2800K Bright White (12-Pack) BPLVQ20T3/2/HDRP/6 - The Home Depot