|   | CB05-20 | Galvanized steel frame for installation inside concrete, designed for 05-20 size TN, TNV, TNV/HC, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal extraction fans, dimensions 390x390xH40 mm, weight 0.8 kg | 
|   | CB05-20 | 
| Galvanized steel frame for installation inside concrete, designed for 05-20 size TN, TNV, TNV/HC, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal extraction fans, dimensions 390x390xH40 mm, weight 0.8 kg | 
|   | PB-TN 05-20 | Rising frame for flat surfaces, designed for 05-20 size TN, TNV, TNV/HC, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans, height of rise 300 mm, weight 9.4 kg | 
|   | PB-TN 05-20 | 
| Rising frame for flat surfaces, designed for 05-20 size TN, TNV, TNV/HC, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans, height of rise 300 mm, weight 9.4 kg | 
|   | FC-TN 05 | Round duct DN200 connection flange for 05 size TN, TNV, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans | 
|   | FC-TN 05 | 
| Round duct DN200 connection flange for 05 size TN, TNV, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans | 
|   | SG-TN 05 | Round shape gravity shutter with connection flanges for 05 size TN, TNV, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans | 
|   | SG-TN 05 | 
| Round shape gravity shutter with connection flanges for 05 size TN, TNV, TN/SP, TN/VAT and all sizes TNC-AC, TNC-EC roof mounted centrifugal fans | 
|   | 20/200 | 0-10V potentiometer for EC type fans, used to turn on and off and to adjust the rotation speed of the electric motor of the controlled fan | 
|   | 20/200 | 
| 0-10V potentiometer for EC type fans, used to turn on and off and to adjust the rotation speed of the electric motor of the controlled fan |