Stainless steel slats grille powder coated grey RAL 7011. Coated in German specialist company, coating for outdoor use. Each of the four slats is individually coated. With four screws, head grey, with dowels. Telescopic tube NW 150, extendable from 300 mm length to 550 mm length, wall flange for covering the core bore, for further connection with e.g. aluminium flex tube. With backflow flap BDSI150, housing galvanized steel, flap blades aluminium, springs for core holes with diameter 160 mm.
Telescopic Tube NW 150 Extendible from 300 mm Length to 550 mm Length
Outdoor weather protection grille WSQLE150 made of powder-coated stainless steel chocolate brown RAL 8017
Wall flange with flap for covering the core bore, for connecting with e.g. aluminium flex pipe.
Assembly instructions included
With backflow valve BDSI150, galvanised steel housing, aluminium folding blades, stainless steel springs