FQY1041 Features: * Works by pumping air from a compressor located on shore to synergistic diffuser plate located at the bottom of your pond * Induction of air through a diffuser plate causes a continual current to circulate through the entire pond * Made in USA * Air flow: 4.0 CFM * Airline: (3) 0.38" W x 1200" D * Diffuser plates: (3) Pro air 4 * Provides aeration for ponds up to 2 acres 108"-144" deep or 3 acres 144" deep Includes: * Includes: Piston air max compressor, air max pro air self weighted diffuser, compressor and silent air cabinet with cooling fan and GFCI, pressure gauge, pressure relief valve, easy set self weighted airline, complete installation guide and operating instructions Specifications: * 0.33 HP, 402.5 Watts, 115 Volts Dimensions: * Max depth: 360"