28 Watt 2D 2 Pin (GR8) compact fluorescent lamp. This energy efficient 2D (PL-Q) lamp has an average life of 8,000 hours. 28w 2D lamps are available in colours warm white 827, standard white 835 and cool white 840 Length:195mm Width:195mm 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.If you are replacing a different branded 28w 2d we can 100% assure that this item will be a suitable alternative.