Small size: Diameter 7.5cm/2.95 inches, suitable for fish tanks with a length of 30-220cm/11.81-86.61 inches.Plastic nozzle interface, suitable for connecting with a hose of 0.4cm/0.157 inch in diameter.
Medium size: Diameter 10cm/3.94 inches, suitable for fish tanks with a length of 70-220cm/27.56-86.61 inches.Plastic nozzle interface, suitable for connecting with a hose of 0.4cm to 0.8cm (0.157 inch to 0.315 inch) in diameter.
Large size: Diameter 13.2cm/5.19 inches, suitable for fish tanks with a length of 100-220cm/39.37-86.61 inches.Plastic nozzle interface, suitable for connecting with a hose of 0.4cm to 0.8cm (0.157 inch to 0.315 inch) in diameter.
Product Operating Guide: 1. The product is used for oxygenation in fish tanks. 2. Before use, soak the product in the fish tank for 15 minutes to 2 hours for better results. 3. This air stone should be used with an appropriate power air pump. With sufficient power from the air pump, adjust the air output to achieve better atomization of the air stone. 4. After all the components of the air pump are connected, repeatedly plug and unplug the air hose between the adjustment switch and the air stone. This will help the air stone reach atomization quickly through the air hose feedback.
