Inline Duct Fan Product Details : SKU#300001 Specifications : 1. 4 Inch 2. 190 CFM 3. 49 dB noise level 4. 120V/60Hz 5. No speed controller 6. 3 Years quality warranty Flanges are located on the fan intake and exhaust for hassle free hookup to 4-inch ducting or other ventilation equipment
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