Welcome to the Break Glass Stopper. Accepted by many fire marshals, these versions of the world famous STI Stopper II® are designed for areas where a ”break glass” cover is specified, such as unsupervised areas. Each break glass device consists of a red polycarbonate cover, mounting frame, a pane of single-strength clear glass (easily replaced when broken), a glass-breaking bar, as well as screws and anchors for installation. Gaskets are available to improve weather resistance. The installation process is fast and easy for these pull station covers. However, if there are any questions, please view the install sheet on the web page. At the present time, there are 19 main models for these pull station covers. There is a three-year guarantee against breakage of polycarbonate in normal use.
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