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The 738D fan has the latest technology, “Constant air volume”, which overcomes the problem of over-long or too many bent pipes so that the 738D can still provide stable airflow. Traditional ventilation fans when confronted with the situations above will have lower efficiency. With a DC motor, the 738D perfectly integrates quietness, high efficiency and energy saving.
It is ideal for rooms from 10m2 to 13m2, with its ACPH of 120m2. For example, equipped with 25 meters’ of pipeline, it is able to maintain stable output air volume. The power consumption for low speed is 2.2w, for high speed only 6w and the monthly electricity fee only costs USD0.06 (8hr/per day).
From consumer responses, the air volume of most ventilating fans on the market will be reduced due to over-long or too many bent pipes. However, only the 738D can accomplish 0% fading of the ventilation effect. It can completely solve the problem of “poor ventilation effect” and truly achieve great “Air Circulation”.
