Ruck MTP 40-20X Fan Speed Controller for Ruck AC Ventilation Fans PPM releases soil bound nutrients (especially

releases soil bound nutrients (especially phosphorous)

7-gallon per minute pump output

The logic keeps CO2 and venting from fighting each other in a sealed room

Aluminum blades and a steel guard hold up to humid grow-room air

Ruck MTP 40-20X Fan Speed Controller for Ruck AC Ventilation Fans PPM releases soil bound nutrients (especiallyThe Ruck MTP 40 20X fan speed controller gives precise variable control of Ruck AC ventilation fans, letting growers set exhaust airflow to a room's load instead of running wide open. Built for commercial and industrial spaces, this variable fan speed controller installs easily and helps steady airflow while trimming energy use and fan wear. Ruck MTP 40 20X Fan Speed Controller for Precise Airflow The Ruck MTP 40 20X fan speed controller varies the