The Oyster 4 is the most compact model in the collection, making it ideal for snug spaces, narrow fireplaces, or energy-conscious homes. Despite its size, it features the wide glass window, smooth lines, and satisfying burn that define the Oyster range. Wood-only, A-rated, and EcoDesign Ready, it�s simple to operate, easy to maintain, and quietly efficient � everything a small stove should be.