R3:fan Typhoon Blowers 5015 - High Speed 5015 Blower. This powerful blower delivers an exceptional volume of airflow - so strong that, in certain cases, you may need to dial it back to keep bridges and overhangs in place. Each fan is precisely weight-balanced to ensure superior stability, extended lifespan, and the highest possible flow efficiency. The R3:fan Series from R3men.com debuts with its first high-flow part cooling fan, engineered for maximum performance. Printed Parts STL: https://www.printables.com/model/1307763-typhoon-shroud-k1-series-d3vil-design Note: For K1 User, you require printed parts, please ensure those part are printed at least in PETG, we recommend is ABS/ASA/PC ABS/PC or Nylon for higher temperature resistant. Technical Specifications: Size: 50x50x15mm Rotation: 10,000 rpm +/- 10% Air Flow: 6.9-8.5 CFM Air Pressure: 43.5-65 mmH2O Bearing: Double bearings Voltage: 24V Current: 220 - 300 mA Power: 4.8 - 6.4W 3mm shaft thickness Wiring: UL1061-28 4 Wire (Black -, Green PWM, Yellow FG, Red +) Product History Changelog: From 1/08/206, new batch are from R3Men instead, slighty changes to specifications: Technical Specifications: Size: 50x50x15mm Rotation: 10,000 rpm +/- 10% Air Flow: up to 8.3 CFM Air Pressure: up to 64.8 mmH2O Bearing: Double bearings Voltage: 24V Current: 220 - 300 mA Power: 4.8 - 6.4W 3mm shaft thickness 4 Wire (Black -, Green PWM, Yellow FG, Red +)