ceiling-mounted filter casing extract grille with punched cloth technical description • Especially designed for false ceiling. type installation model G: grille P : ceiling 38 : punched cloth • Extract for false ceiling with filter. • Punched cloth in galvanised steel. • Fixed grille. • Individual packaging, in plastic film. • The ceiling-mounted extract grille will be square with punched cloth and a filter. The changing of the filter will be done by taking down the grille. • Type GFF P 38, France Air brand. > Media Tige Ventilo G2 filter selection chart Sound power level without room attenuation and with filter G2. Tests carried out in isotherm. > Maintenance and changing of the filter Then take out the filter. Change the filtre and put back Guide created by France Air 2010. All rights reserved.