Thermostat Guards, Fire Station Protectors, Safety Technology International (STI), and more!

STI-6500: Mini Stopper® without Horn Flush Mount

$46.00 $41.40

Mini Stopper® without Horn Flush Mount

This versatile protective cover helps prevent theft and vandalism to access controls, digital keypads, push buttons, smaller manual pull stations, volume and lighting controls and much more around the world for over 30 years without restricting access to protected device. The strong, durable construction takes the toughest knocks while it guards against accidental or intentional physical damage.

STI-6500 consists of a clear, super tough polycarbonate cover and frame. This Mini Stopper, polycarbonate protective cover, is backed by a three year guarantee against breakage in normal use.

Message labeling normally located at the top of an STI cover is not available for this product. For equivalent cover with labeling, please see one of the following: STI-6540, STI-6540-B, STI-6540-G, STI-6540-Y, STI-6540-W.


  • Protects against vandalism and accidental damage

  • Fast and easy installation

  • Cover is molded from thick polycarbonate material

  • Cover is UV-stabilized

  • STI-6500 is for flush mount (Surface - STI-6500).

  • Can be used over volume or lighting controls

  • UL Listed to U.S. and Canadian safety standards

  • MEA Approved

  • CSFM obtain local permission (AHJ)

  • Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C).

  • Three year guarantee against breakage of polycarbonate in normal use.

  • ADA Compliant

  • See Technical Data Sheet for dimensions