Fan Speed Controllers

  • Control Freak Frequency Controller
    Control Freak

    The Control Freak Frequency Controller represents a leap forward in environmental control technology. Previously the options available were either controlling fan speed by resisting the current to the fan or manipulating the voltage delivered to the fan, both of these technologies have fairly significant drawbacks, primarily additional noise from the fan and a limited number of fan speed options ...

  • RAM Air-Pro II Fan Speed Controller
    RAM Air-Pro II

    The RAM AIR-PRO II is an intelligent and silent indoor climate controller designed to control two inline/exhaust fans thermostatically, monitoring and keeping the desired room temperature and air pressure. All you have to do is plug in your fans, set the required air temperature and fan speed/balance and the AIR-PRO will do the rest, maintaining a continuous room temperature in your room and giv...

  • Variispeed Fan Controller
    Variispeed Fan Controller

    Variispeed Fan Controllers are easy to use, high quality fan controllers for controlling single fans. They can control the fan from 0-100% and can take up to 300W, which covers all of the RUCK fans that we sell - for other fans please check the descriptions to see how much power they draw. Depending on the fan you use there may be some humming, but at this price point most people tend put up wi...

  • Rhino Fan Speed Controllers
    Rhino Fan Speed Controllers

    Day Night Silent Controller, Silent Fan Speed Controller, ...

  • Large Screen Hygrometer
    Large Screen Hygrometer

    This digital hygrometer measures 20mm x 100mm x 110mm and comes with a large display screen for effortless monitoring of the temperature and humidity levels in your growing environment. Both temperature and humidity levels are simultaneously displayed and maximum and minimum readings are indicated and recorded. The large screen hygrometer comes with both an internal sensor and an external probe. T...

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