The Sicce Syncra Controllable DC Pump delivers quiet, energy-efficient water movement with fully adjustable flow. Use it as a return pump or for circulation, and dial in exactly the flow you need with the included controller. Built by Sicce in Italy, it runs cool, quiet, and reliable on both freshwater and saltwater systems.Features Controllable DC motor with fully adjustable flow Energy-efficient and quiet running Great as a sump return or in-tank circulation pump Runs on freshwater and saltwater Backed by the quality Sicce is known for Choose Your Model Model Flow Best For SDC 3.0 400 to 800 GPH Nano and small systems SDC 6.0 530 to 1450 GPH Mid-size tanks and sumps SDC 7.0 800 to 1900 GPH Larger tanks needing strong flow SDC 9.0 1000 to 2500 GPH Large systems and high-flow returns Specifications Brand Sicce Type Controllable DC pump Models SDC 3.0, 6.0, 7.0, 9.0 Flow 400 to 2500 GPH depending on model Water Freshwater and saltwater Origin Made in Italy Pair It With Add circulation with a flow pump Browse more saltwater and freshwater gear Frequently Asked QuestionsIs the flow adjustable?Yes. The DC motor and controller let you set the flow anywhere in the model’s range.Can I use it as a return pump?Yes, it works as a sump return pump or as an in-tank circulation pump.Freshwater or saltwater?Both. It is safe for freshwater and marine systems.