GAST 1/20 HP SMALL CONTINUOUS DUTY DIAPHRAGM AIR COMPRESSOR. GAST DIAPHRAGM AIR COMPRESSORS FEATURES AND SPECIFICATIONS. Ideal for aerating small ponds without electricity – just add batteries, inverter, or solar panels to operate this small compressor. Used in small ponds less than 12′ deep and less than 1/4 of an acre. Can run 1 diffuser up to 75′ away. Small Continuous duty diaphragm compressor is surprisingly powerful. The 1/20 HP motor draws only one Amp electric but operates up to 12′ deep and produces. 7 CFM air flow. Permanently lubricated ball bearing motors designed for years of trouble free service. THIS LISTING IS FOR THE COMPRESSOR ONLY – NO Other parts or accessories are included. The item “NEW Gast Solar Pond Aerator Air Compressor Pump 1/20 HP DC22 Diaphragm PUMP” is in sale since Sunday, August 18, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Ponds & Water Features\Outdoor Fountains”. The seller is “diypondaeration” and is located in McKinney. This item can be shipped to United States.