10-Pack) Westinghouse 18T5 Low Voltage Lamp Light Bulb 18W 12V Wedge Base | eBay
Feit Electric 18-Watt Bright White (3000K) T5 Wedge Base Dimmable 12-Volt Landscape Garden Incandescent Light Bulb (4-Pack) BPLV518/4/HDRP - The Home Depot
18W 12V WEDGE T5 CLEAR XENON BULBS
Phillips LED T5 18-Watt Landscape Light Bulb, Clear with T5 Wedge Base Non-Dimmable (2-Pack) - Walmart.com