Ebm-Papst 4312/2U Axial Fan, Square, 12V Dc, 1 Phase, Pbt Plastic, 4 11/16 In W.
Axial Fan, Fan Shape Square, Mounting Eye O.C. 4 1/8 in, Height 4 11/16 in, Depth 1 1/4 in, Width 4 11/16 in, CFM @ 0.000-In. Ambient Temp. 149 Degrees F, Blade Material Polyamide, Housing Material Polybutylene Terephthalate.