Orbit 4 Cross-Flow Pump Water Change Systems water should flow gently through

water should flow gently through the filter bag and media

Holds up to 2 standard probes

Trident Cal

You can program multiple different display screens that you can look through with the click of a single button

They are REEF SAFE

Orbit 4 Cross-Flow Pump Water Change Systems water should flow gently throughFlow Comes Full Circle Versatile Cross Flow Pump Control with MyAI, Mobius, or MXM Four Easy to Use Pump Modes Ideal for Aquariums 20 Gallons and Larger Orbit pumps produce a unique type of flow. Circling the aquarium with water movement like the water that moves within the ocean. Orbit provides a cross flow current that simulates the tidal flow experienced on ocean reefs that is an excellent mechanism for lifting excess nutrients from the bottom of