10 Large Replacement Coals for Gas Fires – Universal Ceramic Coals Upgrade your gas fire with this pack of 10 large replacement ceramic coals and get a realistic, glowing flame effect. Made from high thermal resistant refractory fibres and coloured with heat-resistant dyes, these coals look authentic and are durable and long lasting. Approx size 60mm x 60mm x 60mm. Replace worn or damaged coals with this universal set which is compatible with all types of living flame gas fires and even electric fires for a more natural look. Key Features & Benefits Universal – Suitable for most living flame gas fires, LPG and natural gas appliances. Ceramic Fibre – Made from durable refrac