This product is either discontinued or we cannot get that from suppliers.
Power: 12V DC, 0.3A, Speed: 500-1,500 ± 150 RPM, Air Flow: 33.22 - 99.68 CFM, Noise: 19.4 - 32.1dBA, Bearing: Fluid Dynamic Bearing, Connector: 4-pin PWM, 06 Years Limited Warranty, RL-KN28E-B1.