Reef Octopus USB Smart Fan Size:4 Inch Utilize an up-flow media reactor

Utilize an up-flow media reactor with a flow rate of around 100gph

Accurate heat control

titanium heaters efficiently conduct heat

- Large Collection Cup with flow directional guide

You don't need another module or controller to add a float switch to your system

Reef Octopus USB Smart Fan Size:4 Inch Utilize an up-flow media reactorExcellent for light canopies, enclosed stands & cabinets to control heat and improve air circulation. REEF OCTOPUS USB SMART FAN The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending on the ambient temperature of the area surrounding the thermostat. Makes and excellent choice for aquarium canopies, enclosed stands & equipment cabinets to help regulate the temperature within. Keeping these areas cool will help