Aluminium Louvre Grille 494

Framed-panel, single-bank, fixed-louvre aluminium ventilator with indirect airflow, for insertion into window.
- Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 26 %.
- Aluminium profiles with choice of finish. Blades at 33.3 mm centres.
- Suitable for insertion into glazing aperture of double glazed window.
- Choice of unit to suit glazing unit thickness.
- Projection of nib to glazing rebate: Choice to suit equivalent glazing thickness.
- Approximately flush external profile.
- Projection of internal profile variable with equivalent glazing thickness.
- Suitable for aluminium, PVC-U, wood or composite frames.
- Dimensions (minimum): 130 x 130 mm. Made to measure.