Article | Description | Details | Material | Centre-to-centre distance between screws (width x height) | ||
665.001.01 | Steel ball diffuser with check valve+grofm. mesh Ø100mm black | With coarse mesh, backdraft damper | Steel | - | ||
665.002.01 | Steel ball diffuser with check valve+grofm. mesh Ø125mm black | With coarse mesh, backdraft damper | Steel | - | ||
665.003.01 | Steel ball diffuser with check valve+grofm. mesh Ø150mm black | With coarse mesh, backdraft damper | Steel | - |