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Stopper Covers & Alarm Guards (175 items)
Safety Technology International
Wire Guard, White Steel, 6 in x 6 in, For Use With Beam Smoke Detector DS240 & DS241
Zoro # G4333524
Mfr # STI 9623
Safety Technology International
Wire Cage, Steel, Surface Mount, 12 in W x 12 in H x 12 in D, White
Zoro # G0672710
Mfr # STI-9730
Safety Technology International
Protective Cover, Polycarbonate, Flush Mount, 3 1/4 in W x 4 1/2 in H x 1 1/8 in D, Clear
Zoro # G3108135
Mfr # STI-6519
Safety Technology International
Universal Stopper Cover, Polycarbonate, Surface Mount, 5 1/2 in W x 8 1/8 in H x 3 3/8 in D, Clear
Zoro # G8731545
Mfr # STI-14200NC
Safety Technology International
Pull Station Guard, Polycarbonate, Surface Mount, Clear, 5 3/16 in Depth, 6 13/16 in Width, No Alarm
Zoro # G1631944
Mfr # STI-1230
Safety Technology International
Keypad Cover, Polycarbonate, Flush Mount, 3 7/8 in W x 3 in H x 2 3/4 in D, Clear
Zoro # G1210492
Mfr # STI-6514
Safety Technology International
Wall Fixture Guard/Enclosure, Polycarbonate, Surface Mount, Open Back, Lockable, Clear, 7.43 in W
Zoro # G8731527
Mfr # STI-7510D
Safety Technology International
Pull Station Cover with Horn, Polycarbonate, Wall Mount, Red/Clear, 3 3/16 in Depth, 6 13/16 in Wide
Zoro # G1595151
Mfr # STI-1100
Safety Technology International
Thermostat Protector, Polycarbonate, Flush Mount, 8 1/2 in W x 5 3/8 in H x 3 5/8 in D, Clear
Zoro # G0672939
Mfr # STI-9110
Safety Technology International
Keypad Cover, Polycarbonate, Surface Mount, 3 5/8 in W x 3 1/4 in H x 2 in D, Clear
Zoro # G2350476
Mfr # STI-6516
Safety Technology International
Fire Alarm Protective Cover, Polycarbonate, Surface Mount, 6 7/8 in W x 8 7/8 in H x 5 1/4 in D
Zoro # G2191612
Mfr # STI-1130
Safety Technology International
Pull Station Guard, Polycarbonate, Flush Mount, 5 1/2 in Width, 2 5/8 in Depth, Red
Zoro # G3024883
Mfr # STI-13010FR
Safety Technology International
Pull Station Guard, Polycarbonate, Surface Mount, 7 1/4 in W x 10 1/4 in H x 5 1/2 in D, Clear
Zoro # G2728652
Mfr # STI-3150
Safety Technology International
Keypad Cover, Polycarbonate, Flush Mount, 3 3/8 in W x 4 5/8 in H x 2 7/8 in D, Smoke
Zoro # G0672990
Mfr # STI-6522-S
Safety Technology International
Conduit Spacer with Frame, Polycarbonate, 8.5 in W x 8.5 in H x 2 in D, Clear
Zoro # G2779761
Mfr # STI-3100
Safety Technology International
Motion Detector Guard, Steel, Surface Mount, 5 3/4 in W x 7 in H x 4 1/2 in D, White
Zoro # G0857875
Mfr # STI-9621
Safety Technology International
Universal Stopper Cover, Polycarbonate, Surface Mount, 5 1/2 in W x 8 1/8 in H x 4 in D
Zoro # G8731247
Mfr # STI-13210NY
Safety Technology International
Universal Stopper Cover, Polycarbonate, Flush Mount, 5 1/2 in W x 8 1/8 in H x 2 in D, Clear
Zoro # G8731737
Mfr # STI-14000NC
Safety Technology International
Wire Cage, Steel, Surface Mount, 13 1/2 in W x 4 in H x 5 in D, White
Zoro # G0672966
Mfr # STI-9703
Safety Technology International
Enclosure, Polycarbonate, Surface Mount, 10 in W x 3 1/4 in H x 10 in D, Clear
Zoro # G8731493
Mfr # STI-7511F
Safety Technology International
Smoke Detector Guard, Steel, Flush Mount, 8 1/4 in W x 8 1/4 in H x 2 3/4 in D, White
Zoro # G2454821
Mfr # STI-9601
Safety Technology International
Keypad Cover, Polycarbonate, Surface Mount, 8 3/4 in W x 6 3/4 in H x 5 in D, Smoke
Zoro # G2319116
Mfr # STI-7505
Safety Technology International
Pull Station Guard Spacer, Polycarbonate, 4 in W x 6 in H x 1 1/2 in D, Clear
Zoro # G9894370
Mfr # STI-1331
Safety Technology International
Enclose Protective Cover, Polycarbonate, Surface Mount, 5 1/2 in W x 8 1/8 in H x 4 in D, Clear
Zoro # G2458784
Mfr # STI-13200NC
Safety Technology International
Enclosed Protective Cover, Polycarbonate, Flush Mount, 5 1/2 in W x 8 1/8 in H x 2 5/8 in D, Clear
Zoro # G0665445
Mfr # STI-13000NC
Safety Technology International
Enclosure w/Lock, Polycarbonate, Surface Mount, 8 7/8 in W x 10 7/8 in H x 3 5/8 in D, Clear
Zoro # G0752631
Mfr # STI-7520
Safety Technology International
Wire Cage, Steel, Surface Mount, 6 3/4 in W x 7 1/2 in H x 6 1/8 in D, White
Zoro # G4381185
Mfr # STI-9708
Safety Technology International
Smoke Detector Damage Stopper Cover, Polycarbonate, Flush Mount, 3 in D, Black
Zoro # G8731825
Mfr # STI-8100-BK
Safety Technology International
Keypad Protector, Polycarbonate, Surface Mount, 3 7/8 in W x 3 in H x 2 3/4 in D, Smoke
Zoro # G0673115
Mfr # STI-6514-S
Safety Technology International
Enclosure, Polycarbonate, Surface Mount, 10 in W x 5 1/4 in H x 10 in D, Clear
Zoro # G8731475
Mfr # STI-7511A
Safety Technology International
Universal Stopper Cover, Polycarbonate, Surface Mount, 5 1/2 in W x 8 1/8 in H x 4 in D, Clear, Red
Zoro # G8731301
Mfr # STI-13210NR
Safety Technology International
Enclosure, Polycarbonate, Surface Mount, 7 3/4 in W x 5 3/4 in H x 4 in D, Clear
Zoro # G0672765
Mfr # STI-7511D
Safety Technology International
Universal Stopper Cover, Polycarbonate, Surface Mount, 8 1/4 in W x 4 3/4 in H x 2 in D, Clear
Zoro # G9894355
Mfr # STI-7710
Safety Technology International
Small Thermostat Protector, Polycarbonate, Flush Mount, 4 in W x 4 in H x 1 3/8 in D, Clear
Zoro # G8731965
Mfr # STI-9102
Safety Technology International
Enclosure, Polycarbonate, Flush Mount, 10 in W x 3 1/2 in H x 10 in D, Clear
Zoro # G8731502
Mfr # STI-7510C
About Stopper Covers & Alarm Guards
Protect your fire alarm, thermostat, keypad or security alarm from unintended tripping, vandalism and accidental damage with a stopper cover or alarm guard. Busy warehouses, plant floors and office spaces can often be the scene of an unexpected traffic jam, which just might lead to accidental contact with these important consoles and devices. Don’t risk the fallout should someone fall into the alarm or unknowingly reset the thermostat—not only will you lose all kinds of productivity, in the end, it will hurt the bottom line. Tough metal cages and strong, transparent plastic and Plexiglass covers are available. For more safety and protection, shop for safety alarms, horn strobe alarms and fire alarm components like smoke and carbon monoxide detectors.