iPower 2Pack 4 Inch 190 CFM Inline Duct Ventilation Fan HVAC Exhaust Blower for Grow Tent6

Specifications diameter 4inch Air flow 190 CFM Speed 2460 RPM Wattage 74W Noise level 65dB. 110V standard household plug Prewired 5 Feet power cord. Durability durable ceramiccoated can resist atmospheric corrosion from humidity. Tight and precise construction reduces wear and tear to give the element a long life. Permanently lubricated bearing that requires zero maintenance. Advantages remove heat from the system to solves air delivery problems without major system rework or expense. Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. Easy to install the installation process only takes a few minutes. Tip The maximum ambient temperature is 176F80C Without speed controller. Package including 2 pack 4inch 190 CFM inline duct ventilation fan.