3D Innovations CHPSS508-6 3D Printer Turbo Blower Cooling Fan 5015 12V 50mm X 50mm X 15mm (Quantity: 1 Piece) (Size: 5015) Size:Size: 5015   3D printer turbo blower cooling fan 5010 12v 50mm x 50mm x 15mm is excellent for hot end nozzle cooling.