WINLOCK BOA WINDOW RESTRICTOR – FIRE ESCAPE OPENING.
The Winlock Boa Window Restrictor is suitable for use on uPVC windows giving them an initial restricted opening of 100mm and with the green buttons provides easy fire escape access to give your children safety and security. They can be easily fitted in-line with your friction hinges and are non key-operated. Auto re-engage when window is closed. Fits in-line with friction hinge. Available in two stacks. 13 & 17mm