This is a budget 28 watt 2d energy saving compact fluorescent lamp with 4 pin base gr10q this energy efficient 2d pl q lamp has an average life of 8 000 and has an a class energy efficiency ratingbudget 2d lamps are available in colour 827 835 or 840 length197mm width197mm please note these lamps should be replaced like for like if you have an 28w lamp in your fitting it must be replaced with an 28w lamp you cannot reduce or increase the wattage