Amazon Basics LED Bulbs, Edison Screw Thread E27, 13W (Equivalent to 100W Bulb), Cool White, not dimmable, Pack of 2

With a life of 15,000 hours, the bulb will last over 13 years (based on 3 hours of use each day)
Provides 1521 lumens of light immediately, with no waiting time to warm up to full brightness
With a colour temperature of 4000 Kelvin, the bulb provides a cool white light, creating a bright atmosphere in any room
Using 14 watts of energy and just £2.15 per year to operate, this bulb saves up to 86% per year and £180.62 over its lifetime compared to its incandescent equivalent (based on 3 hours/day, 0.14 £/kWh; may vary depending on rates and use)
High colour rendering (CRI > 80) provides vivid and natural colour
Non Dimmable bulb, does not work with dimmer