| Model # | Manufacturer | Diameter | 
|---|---|---|
| SP14 SP14/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 14 in | 
| SP18 SP18/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 18 in | 
| SP24 SP24/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 24 in | 
| SP30 SP30/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 30 in | 
| SP42 SP42/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 42 in | 
| SP48 SP48/Asset/Spiral Duct.jpg | Manufacturer N/A COL-MET | Diameter N/A 48 in | 
Certifications
 
  
  
  
 


 
                                                                