Security Aluminium roller shutter window louver on China WDMA exterior more comfortable living space by

more comfortable living space by reducing heat loss and noise infiltration

Its easy operation is suitable for indoor usage

but the bottom sash is operable

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Security Aluminium roller shutter window louver on China WDMA exterior more comfortable living space byProduct Description Security Aluminium roller shutter window louver 1 Dimension: can be customized; 2 System option: manual strap control,crank control system ,motor driving system, 3 Slats option: 39, 45, 55mm. 4 Maximun width: 2500~3200mm. 5 Maximun height: 3000~3900mm. 6 Material: aluminum alloy. 7 Regular colour: white, silver, beige, brown OPERATION: Manual Control Roller Shutter strap control strap crank control crank control Motorized Control