SoundMicro Metal Ceiling Panel with 300,000 ultra-micro perforation holes per square meter which are barely visible creates a silky appearance breaking away from stereotype for traditional metal perforated panels. Possessing with water and dust resistant and no backing textile properties, SM can be extensively applied even to high temperature and humidity circumstance without losing NRC performance throughout its product life cycle. It is modularly made in 600mm (W) x 600mm (L) and 600mm (W) x 1200mm (L) including lay-in, clip-in or hook-on system.