... , 65mm, 70mm, 80mm, 88mm; 3>Chambers: 3, 4, 5, 6, 4>Color: white or other colors, according to customer's requirement .2 ... .3. Glass thickness: single, double, tripled 5mm, 6mm, 8mm; Space: 6, 9, 12, 16mm.4. Reinforcement: U-form hot dipped galvanized ... .5. Sealing strips: rubber sealing strip, black or grey color, high quality.6. Accessories: high quality Chinese brand & Imported foreign brand: Germany ...