TrolMaster Fan Speed Controller VFD-1 Emerald Goddess State-of-the-art carbon filtering scours the

State-of-the-art carbon filtering scours the air of dust

The battery percent level is displayed at startup alerting the user to the remaining battery power that is available

Additional settings measure air quality for breathing

flood and drain

Connects directly to your water supply with your own hookup (uses 1/4 in tubing)

TrolMaster Fan Speed Controller VFD-1 Emerald Goddess State-of-the-art carbon filtering scours theVFD fan speed control for Hydro X ProVFD 1 VFD 1 Variable Frequency Drive is specifically designed to control Inverters including TECO E510, DELTA ME300, ABB ACS355 (with an FMBA 01 module) etc. with the Hydro X Pro controller for the purpose of controlling and adjusting the speed of industrial fans in your application. There is no need to provide power supply for the VFD 1 unit. It can be connected to the Hydro X Pro with a simple RJ12 phone cable.