iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Blower with Variable Speed Controller Adjuster Silver
- Variable fan speed controller: it will correctly and precisely adjust the speed of your duct and inline fans. Durable 3-pole grounded plug....
- Advantages of fan: superior balanced blades for long service life & quiet operation.
- Motor features a permanently lubricated bearing that operates....
- Application: help boost airflow in HVAC (heating, ventilation and air conditioning) units to remove exhausts and odors from grow rooms, kitchens,....
- Package including: 1 pack 4inch booster fan, 1 pack variable fan speed controller..