This arched glass with gasket, specifically designed for Drolet's Whistler - cast iron door frame (DB05150), Whistler - steel door frame (DB05151), Gemini 1500 - cast iron door frame (DB05155) and Cassandra (DB05275PA) wood stoves, measures 20 5/16" x 7 3/4" x 8 7/8". Ideal for repairing your heating appliance, it will ensure a perfect fit and optimum performance.