About This 248 CFM Maximum Airflow: Delivers robust air extraction at 0" static pressure for powerful ventilation performance 5 Inch Duct Compatibility: Direct connection to standard 5-inch ducting Durable Construction: Steel casing with corrosion-resistant polymer coating and insect-proof mesh Maintenance-Free Operation: Permanently lubricated ball bearing motors with 40,000-hour service life Removable Casing Design: Easy access for cleaning and maintenance without complex disassembly Automatic Thermal Protection: Built-in overload protection ensures safe, continuous operation Weather Resistant: IP X4 protection rated for continuous outdoor installation High Static Pressure Rating - Performs effectively even with extended duct runs Overview Brand : VENTS Color : Silver Electric fan design : Exhaust Fan Power Source : Hardwired Electric Product Dimensions : 5.44"D x 10.25"W x 14"H Room Type : Kitchen (exterior), Bathroom (exterior), Smoke Room (exterior), office (exterior) Special Feature : External Rotor Motor with Backward Curved Centrifugal Impellers, High Static Pressure Performance, Space-saving compact design, Thermal overload protection External Rotor Motor with Backward Curved Centrifugal Impellers, High Static Pressure Performance, Space-saving compact design, Ther… See more Recommended Uses For Product : Exhausting, Ventilating Mounting Type : through-the-wall Mount Noise Level : 7.1 Sones