🌿 Breathe Life into Your Grow Tent! Galvanized steel construction ensures longevity and reliability. Includes rust-free clamps for secure and hassle-free setup. All-in-one ventilation solution for optimal plant health. Experience 390 CFM airflow with whisper-quiet operation. Activated charcoal filter captures 99% of air contaminants. 34 dB noise level Fire-retardant ducting 390 CFM airflow The VIVOSUN 6 Inch Inline Fan Combo is a comprehensive ventilation solution designed for grow tents, featuring a powerful 390 CFM inline fan, a premium carbon filter for air purification, and durable multi-layer ducting. With a noise level of just 34 dB, it operates quietly while effectively managing temperature and humidity for optimal plant growth.