Feit Electric 11-Watt Bright White (3000K) T5 Wedge Base Dimmable 12-Volt Landscape Garden Incandescent Light Bulb (48-Pack) BPLV522/4/HDRP/12 - The Home Depot
TP ETOPLIGHTING 10-Pack T5-12V-4W, T5 Wedge Base Replacement Bulb, 12 Volt 4 Watt Low Voltage, T5-12V-4W(10), APL2178 - Amazon.com