Support Structure for Inset StovesThis stand can be used for the following hearths: 550 / 750 Roche 900 / 700… Cooking grill Ventilation Grid – 175 x 75 x 20 Ventilation Grid – 218 x 108 x 20 Flue Valve Kit Ø 200 with cable Flue Valve Kit ø200 with 1m linkage