Philips A19 LED general purpose light bulbs provide 1500 lumens of cool, full-spectrum light, equivalent to 100-watt incandescent with 80% less energy use. These bulbs fit standard medium base (E26) fixtures with the look and feel of a classic bulb. At 5000K, these bright white bulbs offer bright yet warm lighting with exceptional clarity and high CRI ideal for project and task lighting and to brighten larger spaces. These high-value, energy efficient Philips LEDs offer durable, shatter-free plastic construction. Philips LEDs turn on instantly with energy-efficient flicker-free, natural light that won't degrade over time. Unlike cheaper imitations, Philips LED offers clean, natural lighting with exceptional clarity. LED light bulbs last up to 10x longer than incandescent and halogen bulbs. Unlike fluorescent and compact fluorescent bulbs, Philips LEDs are mercury-free so they don't contribute to hazardous waste. Each bulb in this pack of 4 100-watt A19 Philips LEDs is expected to deliver a lifetime of up to 10,950 hours and over 10 years (based on three hours per day), saving you the cost and hassle of frequent bulb replacement.