AXIAL FAN 40MM 24VDC 18.2CFM 48DBA; Supply Voltage:24V; Current Type:DC; Fan Frame Size:40mm; External Depth:28mm; Noise Rating:48dBA; Flow Rate - Imperial:18.3cu.ft/min; Flow Rate - Metric:31m³/h; Bearing Type:Ball; Power Connection Type:2 Lead Wires; Current Rating:-; Product Range:420J Series; Power Rating:-; IP Rating:-; SVHC:No SVHC (12-Jan-2017)