This a hard to find size, it is used for 4 in by 4in square steel tubing with a gauge wall thickness of 7ga to 11ga however I have used these for 14ga and it worked fine.. get these will you can at this price look around if you need to but these are priced to move.. $4.95 for each plug Product Features The tapered rib design works efficiently on the inside of the tube to ensure a tight fit.
This is a cover with a buzzer in it only, it does not include the fire alarm switch. It is for covering the switch to keep it from accidentally being pulled. A buzzer in the cover sounds when the cover is lifted to attract attention to the person pulling the alarm.
STI fire extinguisher cabinet self-contained alarm system Self-contained alarm activates if door is opened or tampered with this isn't easy installation for fire extingui
STI-6600 Mini Stopper II with Horn Flush Mount Fire Pull Station Cover Item Description: STI-6600 Mini Stopper II with Horn Flush Mount Manufacturer: STI - Safety Technology Inc. Model: STI-6600 UPC Code: 6-62950-66000-2 ( 662950660002 ) Features: Protects against vandalism and accidental damage. UL Listed to U.S.
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