Feit Electric 18-Watt Bright White (3000K) T5 Wedge Base Dimmable 12-Volt Landscape Garden Incandescent Light Bulb (48-Pack) BPLV518/4/HDRP/12 - The Home Depot
18 inch Bulb T5 6400K | W.H. Perron
15 Watt 18 Inch Replacement Fly Killer Tube Bulb for Genus Viper/Cobra/Eclipse - HSD Online
Newhouse Lighting Part # T5-3018-4 - Newhouse Lighting 18-Watt Equivalent T5 Halogen Replacement Led Light Bulb Warm White (4-Pack) - Led Light Bulbs - Home Depot Pro