The 13-48-R3 series centrifugal ventilator of DETON fan is quite good, it is specialized in the development of a large air volume and high pressure fan products for the kitchen extractor hood, more elbows, long pipelines, high pressure, general box fan and DETON's 13-48-R3 series compared to the cost of a large gap, except that some people like to use the box fan, if you want to use it, you can consider consulting with them. If you want to use, you can consider consulting with them, Dettone kitchen extractor fan is a commitment to ensure that the extraction effect, with the heart.