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EASYFIT Boa Restrictor – 17mm Stack Height


The Easyfit Boa Restrictor limits the window opening to 100mm which will allow ventilation with safety. With a stack height of 17mm 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
  • British standard exceeded
  • Suitable for use of fire egress applications
  • Arm lengths to suit 60/70mm profile


  • Weight: 475g
  • Finish: Zinc Plating & Trivalent Passivate
  • Pack Quantity: 1
  • Packaging: Visi
  • Standards: BS EN 1670 Grade 4
  • Manufacturer Reference: WB51175021