About This

Powerful & Effective Airflow: 4 inch inline duct fan powerful blower with a fan speed of 2500 RPM, inline duct fan can create an air flow of 195 CFM. It can not only circulate fresh air, but also control proper humidity, temperature and air quality.
Air Carbon Filter: Air flow: 220 CFM; Dimension: 4-inch flange ducting x 12-inch length. 1200 + IAV Australian RC412 activated carbon with pre-filter. 50 mm carbon layer of thickness for higher absorption and performance. Hook design makes it easy to hang.
Dryer Vent Hose Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance ranges from 0~185°F. (-18℃~85℃). 1 pair of 4-inch metal clamps made from stainless steel. Suitable for exhaust fan blower / inline fan.
Package Includes: 1 x 4 inch 195 CFM inline ventilation fan; 1 x 4 inch air carbon filter; 1 x 4 inch 8 feet ducting with 2 clamps; 1 x rope hanger. 4 inch inline fan designs mini construction, lightweight, portable and compact fan takes up minimal space.
Wide Applications: Inline booster duct fan can clean and freshen the air, improve airflow to reduce humidity, block odors, and lower temperatures in grow tents, grow rooms, greenhouses, hydroponics, basements, kitchens, bathrooms, basement workshops, etc.