Panasonic asfn1 series axial dc brushless fans 120 x 120 x 25mm panasonic asfn14371 this axial 12v dc brushless ball bearing fan from the panasonic asfn series has a rotation speed of 1600rpm panasonic asfn14371 axial 12v dc brushless fan 1600 rpm 120 x 120 x 25mm