Orlushy DC-5000 Silent Swirl Controllable DC aquarium Pump 40W 1320GPH-marine wavemaker return pump with sine wave Controller for salt/Freshwater coral reef fish tank sump Circulation

sine wave technology , Ultra silent operation.

Variable speed control with up to 20 different speed settings,offering precise adjustment of water flow for optimum performance.

Dc return pump modes:steady flow mode ,wave mode ,feed mode.

NO Copper components parts, Suitable for marine and fresh water,safe for any tank！ Low voltage, safe，IC Electronic Detection, Motor protection if rotor is blocked.

With wear-resistant ceramic shaft, longer operation life.