Pawfly Aquarium 15-40 GPH Compact Air Pump Quiet Oxygen Aerator Pump with Air Stone/Nano Bio Sponge Filter Airline Tubing and Check Valve Accessories for 3-20 Gallon Buckets and Fish Tanks

Compact & Light: Measures 3.3" L x 1.8" W x 1.6" H. Ideal for those who are tight on space. Suitable for 5 - 20 gallon fresh and marine fish tanks and aquariums. Steady Output: Max air flow rate:30 GPH; Pressure: 0.012 MPa; Power: 2 W. A strong aerator which withstands long-time use to promote oxygen supplement constantly. Quiet Aeration: With diaphragms inside and 4 shockproof rubber feet to reduce noise and vibration, the pump gives out noise less than 45 dB like the hum of a refrigerator. 1 Air Stone Ball: 0.8" D x 1.35" H. Small size to be easily driven by nano air pumps. Produce lots of medium bubbles to aerate your tanks and enliven the aquatic lives. Other Accessories: Include 5-foot airline tubing with standard 3/16" inner diameter and a check valve to prevent back siphoning of water. All help build the basic aeration setup in your fish tank.