EASYFIT Boa Restrictor – 13mm Stack Height

The Easyfit Boa Restrictor limits the window opening to 100mm which will allow ventilation with safety. With a stack height of 13mm and arm lengths to suit 60mm or 70mm profiles, this unit is also suitable for use on fire egress applications and is quick to install.


  • 100mm initial opening restriction
  • 2 handed operation for safety
  • Automatic re-engagement
  • BS EN 14351 – Load bearing clause 4.8 safety device
  • Suitable for use of fire egress applications
  • Arm lengths to suit 60/70mm profile