| Manufacturer part number (MPN) | 8903-1 |
| EAN / GTIN | 7391477890311 |
| Sales unit | pcs |
| Inner diameter | 100 mm |
| Outer diameter | 160 mm |
| Material inner pipe | Aluminium |
| Material outer pipe | Plastic |
| Nominal duct diameter | 100 mm |
| Flexible | Yes |
| With pre-mounted seal | No |
| Insulation thickness | 30 mm |
| Insulating material | Glass wool |
| Vapour inhibition layer | Yes |
| With core/cone | No |
| Max. medium temperature (continuous) | 80 °C |
| Free passage | 100 % |
| Damping 63 Hz | 11.9 dB |
| Damping 125 Hz | 11.4 dB |
| Damping 250 Hz | 22.6 dB |
| Damping 500 Hz | 26.8 dB |
| Damping 1000 Hz | 22.1 dB |
| Damping 2000 Hz | 29.2 dB |
| Damping 4000 Hz | 25.8 dB |
| Damping 8000 Hz | 16.7 dB |
| Working length | 600 mm |
| Country of origin | Norway |
| MOQ | 1 |