... rate: 110 - 2250 m3/h Pressure: 67 - 1725 Pa Speed: 1400 - 3400 r/min CWL Series Marine Centrifugal Ventilator Introduction ... . Product Guide: Small size, light weight, stable performance, and low noise. Well strength, well anticorrosive, wide application range. Strongly capable ... ventilator 100 means impeller diameter is 100mm D means low speedOur products are very good in qulity.We looking ...