Kasco’s Teich-Aire Rocking Piston Compressors are continuous-duty, oil-free, aeration compressors that are a great choice for aerating ponds and other deep water applications. This 1/2 HP, 230 V compressor system will deliver the performance you need for all your compressor installations. Whether run intermittently or continuously, these rocking piston aeration compressors will provide both reliable and efficient performance day-in and day-out. Each unit includes a 40 PSI pressure relief valve, vibration mounts, intake air filter assembly, and brass hose fitting for easy implementation into your existing system. Each compressor has a 6 ft. power cord, thermal overload protection, and a ramped internal valve plate that allows for restart under load after power failures.