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Fan spec: Size: 4inch; air flow: 195 CFM; fan speed: 2500 RPM; volt: 120V; current: 0.45A; wattage: 28W; noise level: 30dB; power cord length: 5.9feet
Mini construction and easy to install: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit. Removable duct ends with locking tabs for easy removal and maintenance
Ducting: 4 inch (diameter) x 25 feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F (-18℃ ~ 85℃). Flexible ventilation ducting made from high-quality flame-retardant aluminum
High effective and low noise: Transfer air to your target location in a quick and reasonably quiet way. Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB
Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms
HealSmart 4 Inch 195 CFM Exhaust Inline Duct Fan Vent Booster Blower and 25 Feet Non-Insulated Flex Air Aluminum Foil Ducting with 2 Clamps for Indoor Grow Tent Hydroponics Ventilation, Quiet