●Multi-layer thermal insulation windows are widely used in summer air inlets;

●The fan blade is made of xps material with a thickness of 20mm, which has good heat preservation and sealing performance;

●The environmental controller can control the electric push rod according to the temperature in the house, and automatically adjust the opening angle of the shutters to divert the inlet air;

●Standard installation hole size (width x height): 1050x1060mm, 1200x1060mm, 1200x1230mm three specifications