30w bc b22 (bayonet cap) energy saving daylight cfl (compact fluorescent light) spiral bulb. Equivalent to a 150w standard bulb. Daylight bulbs are a fantastic source for reading and craft work as they can reduce eye strain and promote healthy vision, due to it simulating natural daylight. They can also be used as plant grow lights in hydroponic systems.

Energy Saving Daylight CFL Spiral Bulb - Perfect For Floor And Ceiling Lights. Ideal for Reading, Writing, Office Work And More. Can Be Used in Hydroponics Systems. Measurements: Height 180mm x Diameter 58mm. BC B22 30w Bulb - Simulates Natural Daylight. Colour Temperature: 6500K.