SEAMLESS CONTINUITY Available Sizes Q-1/3 927 (900mm x 2700mm) Q-2/6 927 (900mm x 2700mm) Q-2/4 1224 (1200mm x 2400mm) Q-4/8 1224 (1200mm x 2400mm)* *(Special Order) Product Details Perforation Type: Square Perforation Size: 12mm Panel Thickness: 12.5mm Color of Non-Woven Fabric: Gray Open Rate: 10.2% – 13% NRC: Up to .75 Product Data Sheets: Q-1/3 927 (900mm x 2700mm) Q-2/6 927 (900mm x 2700mm) Q-2/4 1224 (1200mm x 2400mm) Q-4/8 1224 (1200mm x 2400mm)*