Air VOlume 2900 cu.in/min Max wate depth 10' Noise level 40dba Watts 40 Weight 9 lbs Tubing (not included) 5/8" I.D. Pressure 5.89psi Oxygenating ponds and aquariums for cleaner aquatic environment Promoting healthier fish and aquatic plant fish Increasing the breakdown of fish waste Preventing icing ove in ooutdoor ponds Driving Protein Skimmers