Wall duct type 203 - Ø77 mm
Used in ventilation systems with natural ventilation.
Wall duct Type 203 with dimension of Ø77mm
Suitable for wall thicknesses from 21-36 cm
On the outside, you can mount a Jealousirist type 73.3 and on the inside a disc valve type 74.3
Type | Item number | DB number | VVS number |
203 | 111198 | 2428688 | 353793407 |
Type | Dimension | Length |
203 | Ø75 mm | - |
