Multicomp Mc21672.
AXIAL FAN, 171MM, 230VAC, 110mA; Product; AXIAL FAN, 171MM, 230VAC, 110mA; Product Range:-; Supply Voltage:230VAC; Fan Frame Size:172mm; External Depth:51mm; Flow Rate - Imperial:239cu.748m /min; Noise Rating:58dBA; Bearing Type:Ball; Depth:51mm.ft/min; Flow Rate - Metric:5.