The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don’t be fooled – these pumps are powerful and versatile. Ideal for fresh and salt water aquariums, protein skimmers, indoor fountains, water-cooling and all submersible and in-line 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 the pumps 100% silent. Features all models available with 6′ bi-polar or 20′ grounded cord flow rates from 185gph to 1321gph ceramic shaft and bearings durable rotor and shaft standard thread intake & discharge barb fittings included resistance to harsh conditions Submersible or inline use adjustable flow rate 7 models available:Syncra .5 Pump: 185gph, 4′ max head, 1.73psiSyncra 1.0 Pump: 251gph, 5′ max head, 2.17psiSyncra 1.5 Pump: 357gph, 6′ max head, 2.60psiSyncra 2.0 Pump: 568gph, 7.9′ max head, 2.82psiSyncra 3.0 Pump: 714gph, 9.9′ max head, 4.30psiSyncra 3.5 Pump: 660gph, 12.5′ max head, 5.43psiSyncra 4.0 Pump: 952gph, 12.6′ max head, 5.43psiSyncra 5.0 Pump: 1321gph, 12.6′ max head, 5.47psi This pump is designed to pair elevated performance and energy efficiency with extreme silence. It is the perfect pump to provide constant movement in a completely silent environment. The Syncra Silent line of pumps are ideal for aquariums, protein skimmers, indoor fountains, and all submersible or in-line applications which require high performance and silence. The 0.5 pump is perfect for both wet and dry. Features taller suction cups to prevent vibrations. An AISI 316 Stainless steel shaft and stepped hoses are included. At Sicce, we expect the traditional use of the Syncra Silent pump to have a long-lasting life of successful performance for multiple years with regular maintenance and care. SICCE has been present in the aquarium and gardening market for over 40 years, becoming a point of reference recognized worldwide for versatile, high-quality products.