The Finlandia/Harvia ZTS-36 is a high-quality replacement glass designed specifically for the doors of Finlandia/Harvia wood-burning stoves. This glass fits stove models M3, 20, 26, and 36, ensuring a perfect fit and restoring the visual clarity of your stove's firebox. Made from durable, heat-resistant material, this stove glass offers excellent heat tolerance while allowing you to safely monitor the fire inside your wood stove.