It has been designed to fit both open in and open out windows not including Tilt & Turns A maximum of 100mm opening for ventilation and provides an element of child safety. Arm can easily be released by an adult for full window opening. Automatic engagement of arm after window is fully opened. Frame Material ABS. Color White. Size 16.4*4.5*1.4cm Type Window Restrictor Brand Unbranded/Generic MPN MEM94669657097 .
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