For 30 Gallon Tanks: Max air flow rate: 40 GPH (156 L / H); Pressure: ≥ 0.012 MPa. A reliable backup air source in case of emergency such as power outage.
Portable Aerator: Measure 6" L x 3" W x 1.8" D. Convenient to carry and use in aquariums, tanks, buckets or outdoor fishing aeration. Space-saving and convenient to use outdoors.
Battery Operated: Driven by 2 D batteries which last about 40 hours (Not Included). Fit for aeration in both fresh and salty reservoirs.
Quiet Operation: Give out noise less than 50 dB, which sounds like very low humming and whisper in a quiet room when running.
Accessories in the Pump: Include a blue air stone and 20-inch silicone airline tubing. (NOTE: Both of them are stuffed in the air pump.)
