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