Specs for US Fan Restaurant Upblast Centrifugal Roof Exhaust 24.5 inch 9342 CFM 3 Phase Belt Drive USPNU245RG0125 
Models PNURF and PNURG (restaurant exhauster) are belt drive upblast centrifugal exhausters. Capacities up to 33,374 CFM and up to 3 inches static pressure. Models PNUHP and PNUXP are high pressure exhausters for applications up to 5 inches static pressure. The PNURF is a clean air ventilator designed for high velocity vertical discharge. Model PNURG is ideally suited for removal of grease laden exhaust found in restaurant and commercial kitchen applications. Other applications include a wide range of commercial, industrial, and institutional facilities such as schools, hospitals, prisons, and assembly areas.
FEATURES
Windband is constructed of heavy gauge aluminum with rolled bead for strength
Comes with quick release latches to allow for easy removal of motor compartment cover without special tools
Wheel is constructed with aluminum and features a backward curved blade
Non-overloading design for safe operation, wheel is also precision balanced for smooth operation
Motor is rated for continuous duty, located outside the airstream
The motor compartment is cooled by fins located on top of the impeller
Model PNURF is Listed for Electrical (UL/C-UL 705) File No. E39982.
Model PNURG is Listed for (UL 762) File No. MH11542
The following file(s) are provided by the manufacturer.