Grille Ceiling,Suspended Ceiling,Aluminum Ceiling ,Materials: Aluminum 1100, H24 Finish: Powder or Paint Coated Specification:Height: 40, 45, 50, 70 mm Width: 10, 15, 20 mm Spacing: 50*50, 75*75, 100*100, 200*200 mm Thickness: 0.3-0.9 mm Length: 3m/pcsFeatures:The system offers a lifetime warranty and provides a clean, professional look when installed. The non-corrosive aluminum construction of this system is ideal for high humidity environments or wet-cleaned areas. Application: Airport,Subway, Railway station, Bus Station,Commercial Center, Exhibition Hall and Hallway ,Kitchen etc