Greenheck: Fans
 
Ceiling Exhaust Fans: SP
Model SP Ceiling Exhaust fans are designed for clean air applications where low sound levels are desired. Low sound levels are achieved through quiet running forward curved wheels.
 
 
Performance:
Models SP-A, SP-B, and SP-C are compact exhaust fans with performance capabilities of 29 cfm to 1600 cfm and up to 1 in. wg.