2PK - GE 20w 12v G4 Bi-Pin Base T3 2750K Halogen bulb – BulbAmerica
Can Use Lower Wattage Bulb|g4 Halogen Bulbs 20w 10pcs - Ultra Bright Warm Light, 12v, 2000hrs
Feit Electric 20-Watt 12-Volt T3 JC G4 Bi-Pin Base Dimmable Landscape Garden Halogen Light Bulb, 2800K Bright White (2-Pack) BPLVQ20T3/2/HDRP - The Home Depot
G4 20W Bulb 12v 20W 10W Halogen Light Bulb Bulbs Capsule Long Life 12v Clear Capsule Light Bulbs Home Car Boat Marine From Leilaping, $10.66 | DHgate.Com
Feit Electric BPQ20T3/RP 20W Bright White (2700K) Bi-Pin G4 Base (T3 Replacement) Halogen Replacement Light Bulb | BuyRite Electric