| 
                                                Drive Type
                                                 
                                                    
Transmission type of the ventilator (belt drive or direct drive).                                                    
                                                 
                                             | 
                                            
 Belt Drive                                              | 
                                        
                                        
                                            | 
                                                Impeller Type
                                                 
                                                    
Style of impeller that is utilized on a product (i.e. Centrifugal or Axial).                                                    
                                                 
                                             | 
                                            
 Forward Curved Wheel                                              | 
                                        
                                        
                                            | 
                                                Impeller Material
                                                 
                                                    
Type of material the impeller of a fan or ventilator is constructed of.                                                    
                                                 
                                             | 
                                            
 Aluminum                                              | 
                                        
                                        
                                            | 
                                                Housing Material
                                                 
                                                    
Type of material the housing of a ventilator is constructed of.                                                    
                                                 
                                             | 
                                            
 Galvanized Steel                                              | 
                                        
                                        
                                            | 
                                                Includes
                                                 
                                                    
Describes items that a particular product includes such as mounting hardware, etc.                                                    
                                                 
                                             | 
                                            
 Access Panels Washable, aluminum 1-inch filters Access Panels Washable, aluminum 1-inch filters                                              | 
                                        
                                        
                                            | 
                                                Max Inlet Temp
                                                 
                                                    
The maximum entering air temperature that a fan or ventilator can withstand while in operation, without compromising the life of the unit.                                                    
                                                 
                                             | 
                                            
 120 °F                                              | 
                                        
                                        
                                            | 
                                                Certifications
                                                 
                                                    
Certifications                                                    
                                                 
                                             | 
                                            
 AMCA Sound & Air UL/cUL 705 AMCA Sound & Air UL/cUL 705                                              | 
                                        
                                        
                                            | 
                                                Drive Package Description
                                                 
                                                    
Describes whether the drive package on a particular ventilator is assembled, shipped loose, or must be provided by the customer.                                                    
                                                 
                                             | 
                                            
 No drive package included                                              | 
                                        
                                        
                                            | 
                                                Required Accessory
                                                 
                                                    
Describes what accessory(s) must be purchased in addition to make the product fully functional.                                                    
                                                 
                                             | 
                                            
 Roof curb for new roof installations                                              |