Review on 🐠 Ultra-Quiet AsiaPPump Aquarium Air Pump: Super Energy Efficient 1-1.5W Aerator for 24-40 Gallon Fish Tanks with Air Stone and Oxygen Tube by Tiffany Fuller

Very Loud Device. Just as loud as some of the larger ones I've used in the past. In fact, I could hear its annoying hum even from across my living room. Given the great reviews I thought mine might be defective but apparently many others have had the same experience. I immediately realized that I had to return the product in about 2 seconds after plugging it in. Airflow isn't great either (which I expected given the size), but it couldn't even bubble up on the included air stone. Don't waste your time.