150W Metal Halide Bulb Replacement for Venture Lighting Mh-de 150w/uvs/4k by Technical Precision - R7S Recessed Single Contact Base - 4200K Cool White - 1 Pack - - Amazon.com
Simba Lighting® Halogen R7s 78mm 120V 150W T3 J Type Double Ended Bulbs, 5-Pack
Philips Halogen T3 150-Watt work and Security Light Bulb, RSC Double Base (2-Pack) - Walmart.com
R7S LED Lamp 5 Watt 78 mm 6500K | 25.000 branduren | 500 lumen