LUXRITE 60-Watt Equivalent T9 Dimmable Edison Tube LED Light Bulbs 5-Watt UL Listed 5000K Bright White 550 Lumens E26 (4-Pack) LR21656-4PK - The Home Depot
High Performance, Made in USA LED Sport Light, 550 Watt | LightMart.com
Halogen Light Bulb, T3 Shape, GY6.35 Base, 550 Lumens, 35 Watt | True Value
Lightbulbs: Watt-to-lumen conversion guide
CBConcept UL-Listed GU10 LED Light Bulbs, 2-Pack, 6 Watt, 550 Lumen, Daylight 5000K, 50W Halogen Equivalent, 36°Beam Angle, 120 Volt, Not Dimmable, Recessed/Track Lighting | Designed in San Francisco - - Amazon.com