... on behalf of our factory waitting for your inquiry! Namesizemeterial Aluminum Grille ceiling75*75, 100*100, 125*125, 150*150 ... size 32, 50, 75, 100, 120 mm aluminum Width 20, 25, 30, 40 mm aluminum Thickness 0.3, 0.5, 0.6, ... 0.7, 0.8, 0.9, 1.0 mm aluminum high ... quality aluminum ...