The SOLIS F900 Ridge provides max 9kW of heat to the room is 77.5% efficient and is multifuel and wood burning stoveLargest in the family of SOLIS stoves the SOLIS F900 Ridge have been crafted to bring through the very best designs for today’s market.Primary, secondary & tertiary air management to improve combustion and keep glass clean, the F900 Ridge also has External air as optional extraA beautiful fusion of contemporary and traditional, the stoves feature eye catching design and functionality that’s a joy to use.