Universal wall bracket, adjustable, suitable for the construction of complete parapet systems, the 7x50 mm perforation on the connection side of the wall bracket corresponds to the back system perforation of the device duct bases, in conjunction with profile holder GKH... and convection grille profile GKS... and GKG... flush mounting with the window sill (22.5 mm) is possible, including fastening screws ZKM 6X16 for duct mounting. for device duct bases: GKU ... DKU ... for wall distance T: 55 - 75 mm Height H: 104 mm Standard support distance: ? 600 mm Wall bracket material: Steel, strip galvanized in accordance with DIN EN 10346 Screw material: Steel, electrogalvanized in accordance with DIN EN ISO 4042