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Cavity wall ventilator 442

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Specifications sheet

Material
» Units are assembled from extruded sections of Aluminium Al Mg Si 0,5

Finishing
» Natural or bronze anodised: 20 to 22 micron
» Powder-coated in any RAL-colour
» Galvanised steel sleeve

Description
» The galvanised steel sleeve which is fitted to the internal louvre, can be adapted for any thickness of wall (24,5 - 40 cm)
» An insect screen in stainless steel (18/8) is fitted as standard.
» The galvanised steel sleeve can be adapted for any thickness of wall (245 mm X 400 mm).
» Net airflow : 38 cm².
» Dimensions: 256 X 90 mm (W X H)
» Sound absorbing application possible.