Restore your Philips 9281-679-05391 to full, factory-accurate brightness with this genuine OEM replacement bulb. The 300-watt lamp delivers the same clean, true-color light as the original. Supplied as a bare bulb without the housing, it's the economical choice when your existing cage is still in good shape — simply transfer it into your current lamp housing. Ideal for bright conference rooms and large meeting spaces. Fits: Philips 9281-679-05391.