5-Bulbs) 120v 100w 100 Watt J Type De T3 78mm Halogen Bulbs 3 1/8'' inch - Amazon.com
1 Halogen Light Bulb J type T3 short 78mm = 3.175 in R7 150 watt 150w round Tube | eBay
Hikari J 120V/150W 78MM 150 Watt T3 Halogen 120V Recessed Si
Jaenmsa R7S Bulbs,5 Pack Halogen Bulbs R7S T3 78mm 150W 120VJ Type 120 Volt Halogen Light Bulb with Long Lifespan, 3 inch Long Double Ended Light Bulb for Work, Security,Landscape Lights, Dimmable -
Simba Lighting Halogen R7s 78mm 120V 100W T3 J Type Double Ended Bulbs, 5-Pack - Walmart.com