Welcome to our store! 1. APPLICABLE MODEL: 5015 cooling fan replacement for Prus i3 MK3 MK3S MK2 2.5 3D printer with stable performance. 2. LOW NOISE: 5015 fan size approx. 50x50x15 mm/1.9x1.9x0.59 inches, cable length approx. 750 mm/29.5 inches, low noise operation. 3. DC 5V/0.35A: Working voltage is DC 5V/0.35A, made of ABS material, wear-resistant and durable for long-term use. 4. REPLACEMENT: Easily replace broken, damaged, cracked, or unusable cooling fans. Simple and quick to use and install. 5. NOTE: The fan has two sides, but the side with the sticker must always face the hot end (not visible when installed). Otherwise, the cooling will not function correctly. Item Type: 3D Printer Cooling Fan Material: ABS Product Size: Approx. 50 x 50 x 15 mm / 1.9 x 1.9 x 0.59 inches Wire Length: Approx. 750 mm / 29.5 inches Operating Voltage: DC 5V/0.35A Compatible Models: For Prus i3 MK3 MK3S MK2/2.5 1 x 3D Printer Cooling Fan Customer satisfaction is our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.