The VENTS TT Silent M 250 10 in. Metal Mixed Flow Inline Duct Fan delivers up to 880 CFM of airflow, providing quiet, efficient ventilation for inline exhaust fan applications, duct boosting, and improving airflow in HVAC duct systems, including bathroom exhaust ventilation. Its mixed-flow impeller combines the advantages of axial and centrifugal fan technology to deliver excellent airflow, even in higher static pressure duct systems. The durable powder-coated metal housing features integrated sound insulation for quieter operation and long service life. I t helps improve indoor air quality by removing excess moisture, humidity, odors, and stale air. Ideal for whole-house ventilation, bathroom exhaust systems, inline duct boosting, workshops, warehouses, garages, utility rooms, educational facilities, apartments, and other residential and commercial applications requiring powerful, quiet ventilation. Its compact inline design allows installation where space is limited while delivering high-capacity airflow for demanding ventilation applications. Engineered with long-life ball bearings, the TT Silent M 250 provides dependable, energy-efficient performance for years of reliable operation. Material: Steel.