This small pond aeration system is ideal for ponds less than 1500 gallons. Continuous duty aeration system is ideal for both summer aeration and winter time deicing. Powered by a long lasting, super quiet air outlet compressor that costs only pennies per month to operate! 115 volt compressor draws only 4 watts and will operate up to 5' deep. Compressors in EPA4 kit need to be protected from the weather. Flow control built in to compressor. Kit includes compressor, four rolls of 30' vinyl tubing and four air diffusers. 4 power cord. 115 volts. Maximum air flow .5CFM. Maximum depth: 5.