Diall R7s 400W Linear Halogen Dimmable Light bulb, Pack of 3 | DIY at B&Q
Feit Electric 400-Watt Equivalent Corn Cob E26 Base with E39 Mogul Adapter High Lumen Daylight (5000K) HID Utility LED Light Bulb C7000/5K/LED/HDRP - The Home Depot
J118 Linear Halogen Flood Light Energy Saving 400w Security Bulb 8500 Lumens for sale online | eBay
Eveready ECO Halogen 400W (500W Equivalent) Linear Light Bulb,White, Pack of 2, R7s, 500 W : Amazon.co.uk: Lighting
How to replace 400w metal halide according to lumens? | XSY Lighting
Philips Linear Halogen Bulb 400W 8600 Lumens 2900K Clear| Bricoinn
How many Lumens for a 400watt Metal Halide and what is the LED equivalent