Fantech FG 4 Centrifugal Duct Fan
This fantech(R) centrifugal in-line duct fan features an externally mounted wiring box, airtight housing, and backward curved impeller.
Fantech, model: FG 4XL Inline 4″ Centrifugal Duct Fan Metal Housing 170 CFM 120V
Model FG 4XL/K4XL. In Line FAN. I OPENED ANOTHER BOX TO TAKE THE PICTURES OF THE CONTENTS. IN FACTORY SEALED BOX.