The Philips Energy Saver Bulb is a pack of five 18W screw fitting bulbs that emit a warm white light. With an energy-efficient design and a long bulb life span of 10,000-14,999 hours, these bulbs are not only practical but also environmentally friendly. The soft white finish and contemporary style make them suitable for indoor use, while their CE marking certification ensures quality and reliability. With a high energy efficiency rating of A, these fluorescent tube bulbs from Philips are a great choice for any home or office looking to reduce energy consumption.