1x 14W =28W Replacement LED GR10q 4 pin 4000K 2D Light Bulb Double D Cool White Brand New LED replacement for 28W CFL GR10Q 4 pin bulbs, requires ballast to be removed. Cool White 4000K 14W = 28W = 1680 lumens 220-240V voltage Please note: this bulb is NOT dimmable. Approximate dimensions of bulb: 200mm length x 200mm width x 31mm depth A replacement for 2D fluorescent lamps these are one of the most popular choices for ambient lighting, particularly in areas such as corridors and stairwells. Being almost circular, they are a great alternative to linear fluorescent tubes; compact, bright, they provide a good all round light.
eBay