... Long life span (10-30 years), Noise insulation, various colors for choice Security, can be closed and locked firmly Glass: Double ... , French Green, Tinted, Clear Tempered, Frosted, Double Strength, Float, One-way Mirror for choice) ... breaksliding1200120060 Aw006CenterPivoted50080060 Aw007Americancasement800140060Single glassProduct Characteristic: 1) Long life span (10-30 years), Noise insulation ...