Description
Mini construction fan: Size: 4 inches; Voltage: 120V; Current: 0.45A; Frequency: 60Hz; Power: 28W; Air Velocity: 195 CFM; Speed: 2500 RPM. Noise Level: 30db.High effective fan: Transfer air to your target location in a quick way. Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB.4 inch ducting: Temperature endurance range: 0 ~ 185°F (-18℃ ~ 85℃); length: 8 feet (when fully extended). A pair of 4 inch stainless steel metal clips makes the installation firmer.Backdraft Shutter Damper: Made of a Galvanized steel. Withstand temperatures from 14 to 140 °F. Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.Multi-Functional: This ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense
