Hiblow HP 40 Septic Tank Air Pump 2.8 cfm Max Air Flow, 40 Liters of Air Per Minute 2.9 psi Max Continuous Operating Pressure, 120VAC, 60 Hz, 0.8 A, 38 Watts 32 dBA @ 1 meter, Includes Rubber 90 and Alarm Connection Fitting UL Rated for Outdoor Use, Dimensions: 8.2''L x 6.75''W x 7.5''H