The TOUGHFAN 12 Pro, a new and improved version of the classic TOUGHFAN, boasts several enhancements. It features 9 extended and widened fan blades, which guarantee exceptional airflow and static pressure for enhanced cooling performance. Additionally, the fan blades are meticulously crafted from Liquid Crystal Polymer (LCP), a material that effectively minimizes vibrations when operating at maximum speed. With new technology and craftsmanship, TOUGHFAN 12 Pro can provide an outstanding performance of 70.8 CFM airflow, and 3.19-H2O static pressure under 22.6 dB-A noise level, which greatly upgrades our TOUGHFAN series; The TOUGHFAN Pro is designed for all cooling applications. It's the perfect go-to solution, whether you're using it as a radiator fan or on an air cooler. Level up your cooling performance with the TOUGHFAN Pro for superior results. As a result, the fan now features a full steel motor hub and a newly designed full copper housing around the bearing. This enhancement unleashes the fan's complete capabilities, ensuring unmatched stability and durability during operation. The 2nd generation hydraulic bearing incorporates a new shaft design with inside etches allowing preservation of lubricant on both sides whilst reducing noise during operation. Lowering audible levels and extending lifespan; The TOUGHFAN Pro is designed with a square fan frame featuring a new outline that prevents air leakage effectively while installed on a chassis or radiator during operation. The in-mold injection anti-vibration rubber pads dampen the vibration of the fan allowing the fan to spin at higher levels without compromising noise levels.