Pondmaster Pond & Aquarium Deep Water Air Pump

Air Volume 9150 cu.in/min Max water depth 11.5' Noise level 45dba Watts 100 Weight 16.5 lbs Tubing (not included) 3/4" I.D. Pressure 6.53psi Power cord 6 Oxygenating ponds and aquariums for cleaner aquatic environment Promoting healthier fish and aquatic plant life Increasing the breakdown of fish waste Preventing icing over in outdoor ponds Driving Protein Skimmers For outdoor use it is recommended that the unit be enclosed to protect it from the elements. AP 20 (2,500 Gallons - 1,700 Cubic Inches per Minute)