Features: Mute design The mute design brings you better using experience, no noise troubling. Durable material Made of high quality plastic material, wear resistant and durable, owning long using life span. Compact size Compact and lightweight, convenient to carry out, not occupying much installation space. Scope of application The 3d printer cooling fan is designed for 12v 3d printer, perfect choice of refit and home DIY repairing usage. Specification: Type: 3d printer cooling fan Quantity: 1pc Material: plastic + electric component Color: black Size: 5*5*5cm/ 1.97*1.97*1.97inch(L*W*H) Net weight: 100g/3.53oz Package: 1* 3d printer cooling fan Dear friends: (1) If the product cannot be used, please contact us. Promise to resend or refund for free! (2) Product description, if you do not understand, please contact us! We will reply you !