Dura-Stop Pro- The Dura Stop Pro is a High Performance Vent Stop allowing many window systems to obtain Force Entry ratings. Composite Materials that Color Match all of the Visible Hardware are Stronger than traditional vent stops.
Unique Anti trigger feature prevents false openings from Weatherstrip passing by.
11 points of load Displacement give you all of the holding power you will ever need!
Seamless Integration, Put it in and Forget it, Forever.....No Call Backs!