Winlock Boa Window Restrictor
Winlock Boa Window Restrictor
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Concealed fitting -
Use with aluminium and UPVC windows -
Available with 13 or 17mm stack height -
Arm lengths to suit 58-65 mm and 66-70 mm profiles -
Non key two-handed operation to release -
Automatic re-engagement -
Fits most window systems -
Allows window to open to approx 100mm for initial safety and ventilation