IGLU DOUBLE GLAZED LOUVRE WINDOW The revolutionary Altair® IGLU® Double Glazed Louvre System is designed to allow maximum ventilation through the window opening while providing high thermal performance for residential or commercial designs. -5mm Low-e toughened glass / 12mm Argon Gas filled spacer /5mm Low-e toughened glass -Available with the Altair Easyscreen Window System or the Altair Component System for installation into compatible frames. -Standard heights only. -Standard blade lengths are stocked, with custom blade lengths available on special order. -Wide range of customising options including: automated operation by the Powerlouvre System; handle types; handle and clip colours; security. -Includes the Stronghold System. Available with fixed lite thicknesses of 18mm, 20mm and 24mm in Easyscreen Window Systems.