VIVOSUN 4-Inch Inline Duct Ventilation Fan
4-inch inline fan for HVAC and hydroponics, delivers 195 CFM at 2500 RPM to ventilate tents and regulate air quality. Users note good airflow and value, with mixed durability and noise experiences
Highlights
- 195 CFM airflow
- 2500 RPM speed
- compact inline duct solution
Pros
- high airflow for small spaces
- effective for tent ventilation
- valued for air quality and humidity control
- compact inline design
Cons
- durability concerns (internal fan breakdown, fragile blades)
- noise level varies by user
Best For
Features
- Delivers up to 195 CFM airflow at 2500 RPM for grow tents
- Quiet operation with flow deflector reduces noise to 30 dB
- ETL-listed motor with automatic reset for overheating protection
- Flame-retardant junction box and simple hose hookup with locking tabs
