Heat recovery ventilation unit – ceiling, wall, floor mounting. Remark: Flange for connected duct connection is standard available for OptiAir 260 with 160 mm and OptiAir 360 with 180 mm.
Heat recovery ventilation unit – ceiling, wall, floor mounting. Remark: Flange for connected duct connection is standard available for OptiAir 260 with 160 mm and OptiAir 360 with 180 mm.