Features: The small aquarium air pump puts out a nice consistent flow of bubbles for fish to swim through and keeps the water oxygenated. This nano fish air pump works with a small sponge filter, air disc or a small bubbler decoration The mini fish tank air pump creates a steady stream of air for small a betta tank, brine shrimp hatchery and small hydroponic setup 4 rubber feet at the bottom keep it from sliding around to reduce the noise further.

The check valves would protect you air pump by preventing aquarium water from back siphoning during a power outage when your air pump is below the tank water level. Specifications: Recommended Tank Size: 20gal. Dimension: 4x2.75x1.5 inches (L x W x H) Length of power cord: 2.5 ft Voltage: 110V-120V/60Hz Includes: 1x Air Pump 1x 3.3ft Tubing 1x Check Valve 1x 1 Air Stone Directions for Use:

• Cut the tubing to the length needed.
• Attach the airline into the pump; connect the air stone to the other end of airline.
• Place the pump above the aquarium or bucket if possible. Or you need to add a check value (the blue valve) between air pump and air stone to prevent back siphoning.
• Plug the pump in. Remember to make a drip loop for the power cord.