Energizer ECO Linear Halogen Bulb - R7 - 118mm - 400w (500w) - Pack of 5 : Amazon.co.uk: Lighting
qlee R7S LED J118 118mm Dimmable Bulb 30W Day Light 6000k AC120V 3000LM Double Ended J LED Floodlight for R7S 200W 300w 400w Halogen Replacement (6000k Daylight) - Walmart.com
R7s 118mm 40w Led Bulb Cool White 6000k, 3000lm, J118 400w Halogen Lamp Equivalent, Dimmable, 360 Degree Linear 40w R7s 118mm Slim Cob Led Bulb For Wa | Fruugo US
Feit Electric 100-Watt Equivalent R7S 118MM R7 Base LED Light Bulb, Bright White BP100J118/LED/HDRP - The Home Depot