<b>🐡The Rifny adjustable double air outlet pump is suitable for 1 to 80 gallon aquariums.The aquarium air pump is well built to produce a good volume of air quietly with its low power consumption.Makes your aquarium oxygen levels high and helps keep your fish healthy.🐡<b/><br><br> <b>Specifications:<b/><br> Power: 3W<br> Flow Rate: adjustable,Max 5.0 L/min. 2.0 L/min x 2<br> Voltage: 110~120V 50-60Hz<br> Noise: <40dB<br> Pressure: 0.02 MPa<br> Air Tube: 6.6ft<br> Dimension: 4.3x2.4x2 inch<br><br> <b>Features:<b/><br> 1. Bubble size can be adjusted<br> 2. High output, double air outlet<br> 3. Noise reduction device, less than 40dB<br><br> <b>Placement method:<b/><br> ❌Do not place the air pump in the water.<br> ❌When using the air pump directly, the position of the air pump should not be lower than the water surface, otherwise it may cause water to flow back and be damaged.<br> ✔There is no check valve, the air pump should be placed above the water level of the fish tank.<br> ✔There is a check valve, the air pump can be placed on the ground or on the table, and the check valve can prevent the water from flowing backwards.<br><br> <b>Warm Tips:<b/><br> 1. Do not put it in the aquarium, keep it dry.<br> 2.To get the maximum air flow and extend air pump service life, we suggest to clean airline tubing and airstone regularly.<br> 3.Must to cut off the power of air pump before put your hand into aquarium.<br> <br> <b>Package Includes:<b/><br> 1 x Aquarium Air Pump<br> 1 x 6.6 ft Silicone Tube<br> 2 x Air Stone<br> 2 x Check Valve <br> 1 x User Manual