Original Lamps - are the replacement lamps produced or licensed by the original manufacturer e.g. Epson Diamond Lamps buys all its bulbs directly from the World's leading bulb manufacturers (Philips, Osram, Ushio and Phoenix). These are the same companies that supply bulbs to the major projector brands. Their bulbs give the very best performance in terms of brightness, color and evenness of illumination across the screen.
Diamond Lamps are endorsed by the major bulb manufacturers, if you buy a Diamond Lamp you can be sure that you're always getting the very best quality product.
SG Education Lamps are a new product range, these are premium compatible lamps and are a great alternative to end-user buying copy lamps. They come with a 12-month warranty and come with air filters.