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Dealers. First. Always.       |      The professional integrators favorite security distributor for over 20 years and counting.

STI-9604 STI Steel Web Stopper - 7" H x 7" W x 3.25" D

SKU: STI-9604
  • Guard helps protect against vandalism and damage
  • 9-gauge coated steel wire
  • Flush mount
  • Fast and easy installation
  • UL Listed, MEA Approved
  • Mounting clamps and hardware included
  • 7 in H x 7 in W x 3.25 in D
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MSRP Price: $45.00

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Product Details

STI borrowed from nature’s master builder, the spider, to create a web of protection from vandalism and accidental damage with these UL Listed wire guards. They are constructed of 9-gauge steel wire with corrosion resistant polyester coating or 9-gauge stainless steel wire. Together, they cover virtually every smoke detector model available today. As all STI protective covers, these Steel Web Stoppers are backed by a three year guarantee against breakage in normal use. Highly recommended for areas where abuse to smoke detectors is severe. Installation is easy with anchors and screws provided. Models available for both flush and surface mount detectors.


General Information

  • Helps protect smoke detectors from vandalism and accidental damage
  • Models to fit virtually all smoke detectors available today
  • For use in controlled environment (not intended for outdoor use)
  • Three year guarantee against breakage in normal use


  • Patented (D368,670) web-like octagon shape of 9-gauge steel wire makes them extremely difficult to break


  • Steel Web Stoppers have corrosion resistant polyester coating (stainless steel models have no coating)
  • Stainless steel models constructed of 304 corrosion resistant stainless steel (considered surgical or medical grade)
  • UL Listed to U.S. safety standards (S3504) for any UL Listed detector, does not require any sensitivity adjustment (see reverse for details)
  • UL Listing for STI-9713 (S3504) with detectors listed on reverse
  • CSFM (7300-1416:100) Approved (9600 Series only)


  • Fast and easy installation
  • Simple removal for servicing detector


  • Tamper resistant hardware is available
  • Stainless steel versions available for flush mount or surface mount

STI-9604 Specifications PDF

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DWG - 800 Shames Drive , Westbury , NY 11590 , USA - 516-933-4900
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