Part #137537. Bulb length is approx 4-11/16".
Feit Electric 150-Watt T3 R7 Base Dimmable Halogen Light Bulb
150W Warm White (3000K) R7S Base T3 Dimmable Halogen Rough Service Dou
GE R40 Soft White Medium Base (E-26) Dimmable Incandescent Light
1.✔CTK 150W Halogen T3 Double Ended Quartz T3 120V 150W 78mm (3-1/8”) halogen light bulb,High brightness light bulb. 2.✔Usage: Applicable Home,
CTKcom 150 Watt 3.1 Inch T3 Halogen Light Bulbs(5 Pack) - J Type 78mm Double Ended 120 Volts 150 Watt T3 Halogen Bulb R7S Double Ended Filament Flood
Feit Electric 150-Watt T3 R7 Base Dimmable Halogen Light Bulb
150W Bright White (2700K) R7 Shape T3 Base Dimmable Halogen Light Bulb
Satco S4881 40 Watt Frosted Shatterproof Finish Incandescent Rough
1) NEW 150W Bright Effects Bulb 4-11/16 Rough Service T3 R7S 130V
150W Warm White (3000K) R7S Base T3 Dimmable Halogen Rough Service Dou