The DS259 Double Hung Window Restrictor is Doric’s latest addition to their comprehensive range of devices designed for window restriction. The DS259 is designed specifically for use on residential double hung windows.
The device is an innovative way to restrict both the top and bottom sashes from moving to a distance pre-determined by the installer.
The DS259 includes a key operated removable body that can be easily removed for the purpose of cleaning.
You view this product in more detail on the Doric website.