G4 20w 12v Halogen Light Bulbs – Set of 10 – 100% Dimmable – Best for Warm White Light – Long Lasting – Easy Installation – Long Lasting Lifetime & High Brightness - - Amazon.com
Philips 417204 Landscape Lighting 20-Watt T3 12-Volt Bi-Pin Base Light Bulb, 2 x 2 Pack - - Amazon.com
20W Halogen Bulbs 20 Watt T3 G4 Base 12 Volt Light Bulb 20W 12 Volt T3 JC Lamp Halogen Light Bulbs,T3 G4 Bi-Pin Base,Blue Glass Cover, Warm Soft White 3200K,Pack of 10 - -
GE Lighting 77900 Halogen 20-watt MR16 Bulb with 2-Pin Base, 1-Pack - - Amazon.com