A new range of pumps which ensure high energy savings, quiet operation, ergonomic design, powerful performance, resistance to harsh conditions, and are reliable. Syncra Silent, with their innovative technology, are versatile with a range uses. They are ideal for fresh and salt water aquariums, protein skimmers, calcium reactors, indoor & outdoor fountains, water-cooling and all submersible and inline applications which require high performance and total silence. Thanks to Sicce's 35 years of experience, Syncra Silent are equipped with a synchronous motor and an advanced rotor which makes them efficient and silent . . . even more than a fish Advantages of Synchronous Motors by Sicce Synchronous motors have the following advantages over non-synchronous motors: - Speed is independent of the load, providing an adequate field current is applied. - Accurate control in speed and position using open loop controls is possible. Their power factor can be adjusted to unity by using a proper field current relative to the load., ergonomic design, powerful performance, resistance to harsh conditions, and are reliable. Syncra Silent, with their innovative technology, are versatile with a range uses. They are ideal for fresh and salt water aquariums, protein skimmers, calcium reactors, indoor & outdoor fountains, water-cooling and all submersible and inline applications which require high performance and total silence. Thanks to Sicce's 35 years of experience, Syncra Silent are equipped with a synchronous motor and an advanced rotor which makes them efficient and silent . . . even more than a fish Advantages of Synchronous Motors by Sicce Synchr.