Wathai Turbo Blower Cooling Fan 12V 40mm 40x40x20mm Dc Brushless Cooling Fan

Nice little fan pretty powerful

This thing will sound like a plane turbine when it spins up. Even lowering the RPM doesn’t do much good as the only time it quiets down is when it’s hardly spinning. The duct itself is wider than your typical 3D printer fan. The cable is only about 2 inches long and will need to be spliced as well. Not worth the headache

Works as advertised and to spec. Reasonably quiet vs quantity of air moved.

Od

Made well enough and very quiet.