<b>SEPTIC SYSTEM IMPROVEMENT</b><br>Blue Diamond's Enviro ET120 air pump adds the oxygen to septic system wastewater that aerobic bacteria require to decompose organic matter. The air that the pump adds is clean and free of oil. This pump also can be used to aerate pond water. Making little noise as it runs, the pump puts out a maximum 4.24 cubic feet / 120 liters of air per minute. Its maximum pressure is 0.10 bar. It uses 90 watts of electricity. Its connector size is 0.71 inch OD.<br><br><b>WEATHERPROOF AND STRONG</b><br>Supported by a 2 year warranty, this air pump is designed to be durable. It is weatherproof, and its sturdy construction includes material specially formulated for its linear diaphragm.<br><br><b>SIMPLE TO USE AND MAINTAIN</b><br>This pump comes complete with a 1/2" ID bronze fitting and is easy to set up. It is easily serviceable with replaceable diaphragm kits (sold separately) to give the pump a long life.<br><br>Put the Blue Diamond Enviro ET 120 air pump to work in your septic system or pond. <br> <br> <b> Please Note: </b> For applications requiring more than 33 ft. of tubing please contact us. <br><br><b>Click "Add to Cart" now!</b><br>