The noise and vibration are held to a minimum to maintain cfm at higher static pressures. Item: OEM Blower Blower Outlet Shape: Rectangular With Flange: Yes Blower Wheel Diameter: 5-1/8 Blower Wheel Width: 7 Blower Item: OEM Specialty Blower Blower Voltage: 12VDC Blower Motor Type: DC Blower Thermal Protection: No Thermal Protection Blower Conduit Box: No CFM @ 0.000-In. SP: 552 CFM @ 0.100-In. SP: 490 CFM @ 0.200-In. SP: 462 CFM @ 0.300-In. SP: 426 CFM @ 0.400-In. SP: 392 CFM @ 0.500-In. SP: 358 CFM @ 0.600-In. SP: 306 CFM @ 0.700-In. SP: 250 Degrees CFM @ 0.800-In. SP: 183 CFM @ 0.900-In. SP: 115 CFM @ 1.000-In. DAYTON 1TDP9 Rectangular OEM Blower, 1650 RPM, 1 Phase, Direct, Rolled... The dynamically balanced blower provides smooth and quiet operation. SP: 60 Phase: 1 Full Load Amps: 9.40 RPM: 1630 Bearing Type: Ball Motor Enclosure: Open Motor Insulation: Class B Lead Length: 13 Max. Ambient Temp.: 104 Degrees F Max. Inlet Temp. Forward-Curved, 5 1/4 in Dia, Blower Wheel - 4DLY7|Q525-343S 2-2837-SGL Dayton 1TDP3 Round OEM Blower With Flange 4-9/16 Outlet Height: 3-1/2 Outlet Width: 7-13/16 Overall Height: 9-7/8 Overall Width: 9-3/16 Overall Depth: 8-13/16 Wheel Type: Forward Curve Drive Type: Direct Mounting Position: All Position Housing Finish: Enamel Housing Material: Rolled Steel Housing Color: Gray Agency Compliance: UL Recognized US and Canada (E47479) Includes: Discharge Mounting Flange Guadian G1950P Plastic Safety Station with Eye/Face Wash Visit the Guadian Fall Potection Stoe -10% $1,11015 List Pice: $1,227.99 operating temperature range is -20° to 104°F.