Philips 10-Watt T3 Halogen 12-Volt Landscape and Cabinet Bi-Pin Base Dimmable Light Bulb 415679 - The Home Depot
Ultravation UltraMax T3 - AS-IH-1005 UV Light Bulb for Germicidal Air
GE 12008 - FLE20TT3/827 Compact Fluorescent Lamp Light Bulb T3 20W | eBay
Philips Halogen T3 150-Watt work and Security Light Bulb, RSC Double Base (2-Pack) - Walmart.com
Value Collection - 12.8 Volt, Halogen T3-1/4 Lamp - 66460411 - MSC Industrial Supply
CTKcom 100-Watt 3.1-Inch T3 Halogen Bulbs(5 Pack) - J Type 78mm Double Ended 120
5pcs Led Light T3 T4.2 T4.7 Instrument Bulb T3 Led Red T4 .2 Blue T4.7 Led Clock Lights Led Air Conditioning Light Bulb - Led Bulbs & Tubes - AliExpress