10 Large Replacement Ceramic Coals for Gas Fires - 60mm Works on Natural Gas, LPG & Electric Universal Fit Upgrade your gas fire with this pack of 10 large replacement ceramic coals and get a realistic, glowing flame effect - and they work with all sorts of fires, whether you're using Natural Gas, LPG, or even electric. Each one is about 60 x 60 x 60mm - a decent size to create a proper coal bed effect. Made of high thermal resistant refractory fibres that have been heat-treated so the ceramic dye finish stays looking good even after repeated heating. Key Features & Benefits 10 Large Coals To Get The Perfect Bed - each one is 60 x 60 x 60mm, plenty big enough to give your fire a proper coal bed look. Heat Resistant & Colour-Fast Fibre - these coals are built