... (4mm,5,6,8,10,12mm),double(insulating)- (5+6+5,5+ ... /Mosquito meshes: Horizontal single open/Double open retractable flyscreen,horizontal sliding flyscreen ... per customers' sizes12. Characteristics:Aluminum single/double hung window, Stylish and customized design ... shutterFolding flyscreenFixed windowPVC profiles/extrusionsAdjustable flyscreenSingle/Double hung vertical sliding windowAluminum profiles/ ...