Feit Electric 250-Watt EQ T3 Dimmable Bright White Tubular Light Fixture Halogen Light Bulb (2-Pack) in the Halogen Light Bulbs department at Lowes.com
5pcs / Lot Halogen Light Bulb 220v-240v 1500w 1500 Watt J Type T3 R7s J254 189mm - Light Beads - AliExpress
SUNLITE 100w Single Ended T4 Mini Candelabra Base Clear Halogen Lamp – BulbAmerica
GE Halogen Light Bulb, T2.5 Tube Light, R7 Base, 300 Watt, For Work, Security and Landscape Lights (1 Pack) - - Amazon.com
Feit Electric 500-Watt Warm White (3000K) T3 R7 Double-Ended Tube Dimmable Halogen Rough Service Light Bulb (48-Pack) BPQ500T3/CL/RS/2/24 - The Home Depot