Inline Duct Fan with Temperature Humidity Controller, Dr.thermal Quiet 4” inline fan,PWM- EC-motor, Quiet 28dBA,Ventilation Exhaust Fan for Grow Tents, Hydroponics etc.
Description
Dr.thermal Low Power Silent 4 "in-line duct fan, with temperature and humidity controller, PWM Automatic adjustment of fan speed, ventilation and exhaust fan for heating and cooling supercharger, planting tent and hydroponic culture,Industrial and Residential Ventilation