Durable, continual responsibility converters offer a lot less deepness abilities in comparison to the diaphragm or shaking piston converters however create substantially extra sky Medium tension, oil complimentary converters are outstanding for pond as well as lake oygenation as well as de-icing Carbon vane self get used to maintain maximum performance as well as are simply switched out when broken all styles have an 18FT maximum operating deepness, they include sky filter as well as 6FT electrical power cord Air outlet installations are readily available along with 2 to 6 valves, making it possible for one pump to offer around 6 sky manifolds. One year manufacturer's warranty on Compressors, Five year manufacturer's warranty on Quick Sink tubes as well as diffusers. All kits above come common 115v. Motors are double current as well as could be simply industry altered or our experts will ship 230v if taken note at time from order (230v systems ship along with bare tops - no plug.).