Review on Coolerguys 40mm (40x40x20) High Airflow IP67 Waterproof 12V Small Fan by Marcus Hargrave

I had an 80mm in my orchid in my office and loved it so I decided to add 40mm with it it would be easier to hide it in plants. I had to listen to all the reviews mentioning how noisy it is. That's about 10 times louder than 80mm. I really couldn't concentrate when he was working. In terms of functionality, this is a powerful little fan that moves a lot of air. Decided to buy another 80mm.