USHIO EHM J120V-300W/R7S-12 base Halogen Bulb – BulbAmerica
R7s Led Bulb 78-118mm 5-20w Dimmable, Warm White 3000k 3000lm, Linear Replace J118 300w Halogen Lamp | Fruugo US
Led R7s Bulb J78 Replace Halogen Lamp | R7s Halogen J118 Led Dimmable - New 30w R7s - Aliexpress
Anyray® (5-Pack 300 Watt T-3 J-Type R7S Double Ended Halogen Bulbs 120 Volt 110V 118 mm - - Amazon.com
Rowrun 30W R7S J118 T3 LED Bulb Daylight White R7S Base 118mm 300W Equivalent Double Ended led Replacement for Halogen Workshop Lighting Bulb 6000K Non Dimmable (1) - - Amazon.com