W2E143-AB09-06 230 V ac, AC Axial Fan, 171.5 x 51mm, 500m³/h, 29W. this wide range of ball bearing axial fans enforces excellent cooling purposes. With their round design and impedance protection against overloading, the benefits of each axial fan propels them ahead of their competition for proficient cooling purposes. All models are highly reliable and excellent quality.