The GardTec F15050B2HT 220V AC computer cooling fan is 172x150x51mm & features ball bearings with 5 blades. Has a 48dBA noise level and airflow of 240 CFM. Helps keep temperatures at safe levels and prevents equipment damage due to overheating. UL & CUL recognized, RoHS compliant. Note: Image is for reference, actual part may differ