The MX2A3 axial fan, now discontinued by the manufacturer, features a muffin XL design with 3 blades, operating at 115VAC, 50/60Hz, 15W, and 3100RPM. Dimensions are 4-11/16 x 4-11/16 x 1-1/2 inches. Compatible alternatives include 031008, 4WT46, 83K4223, 4C550, and 5C155, with 4WT46 being the recommended substitute.