TREND 100 LConstructive Details Air Shutter It enables air to be expelled while preventing polluted air and dust from entering, reducing heat loss and cold air infiltration through exhaust ducts Perimetral Suction The air is captured more efficiently by directing the air flow toward the edges of the unit. Fan Type Axial It uses a magnetic flux parallel to the rotor axis, offering significant advantages such as high efficiency, small size, and high performance.