These powerful long life Mercury MBF-U lamps have a whiter fluorescent coating to give you a bright light wherever you need it. Ideal for high bay lighting Their bright light output makes these lamps ideal for floodlighting, great for car parks, stadiums & street lighting, as well as high bay lighting in warehouses & factories. Choice of wattages We stock these bulbs in a variety of wattages. Choose from 80, 125, 250 & 400 watts. Choice of fittings You can have either Screw or Large Screw fittings. Ballast is required. Different names Manufacturers call these lamps by different names: GE Lighting – Kolorlux MBF, Osram – HQL, Philips – HPL/N & Sylvania – HSL-BW. Huge stocks We keep huge stocks of our products at our massive warehouse, meaning we're more likely to have the products you need, when you need them. In fact, 99% of our products are in stock now!