Triangle Bulbs T10007-25 (25 pack) - Q20/G4/CL/12V, 20 Watt, T3 JC Type, 12 Volt, Clear, G4 Bi-pin Base, Halogen Light Bulb, 25  Pack (25-pack) JC 12 Volt 20 Watt Clear G4 C-6 T3 shape 20-Watts (20W) Long-life Brand New G4 Based Halogen Bulbs/JC Type Base: G4 Clear Bi-Pin Base (4 Millimeters between Pins) It one of the most common halogen bulb that fits many different lights Versatile Usage: Applicable Home, Office, Restaurants and Stores - New in individual package