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  • STI STI-13210FR

    STI
    $52.15 - $52.15
    $52.15
    $52.15 - $52.15
    $52.15

    Universal Stopper Dome Cover w/Spacer, Red Housing, Fire Label

    $52.15 - $52.15
    $52.15
    $52.15 - $52.15
    $52.15

  • STI STI-13220FR

    STI
    $92.38 - $92.38
    $92.38
    $92.38 - $92.38
    $92.38

    Universal Stopper Dome Cover w/Spacer, Horn, Red Housing, Fire Label

    $92.38 - $92.38
    $92.38
    $92.38 - $92.38
    $92.38

  • STI STI-13410FR

    STI
    $95.88 - $95.88
    $95.88
    $95.88 - $95.88
    $95.88

    UNIVERSAL STOPPER DOME COVER W/ENC BKBX, SEALED MT PLATE, RED HOUSING, FIRE LABEL

    $95.88 - $95.88
    $95.88
    $95.88 - $95.88
    $95.88

  • STI STI-13500NR

    STI
    $86.15 - $86.15
    $86.15
    $86.15 - $86.15
    $86.15

    Universal Stopper Dome Cover w/Enc. Bkbx, Open Mt Plate, Red

    $86.15 - $86.15
    $86.15
    $86.15 - $86.15
    $86.15

  • STI STI-14200NC

    STI
    $42.97 - $42.97
    $42.97
    $42.97 - $42.97
    $42.97

    Universal Stopper Low Profile Cover, Clear Spacer

    $42.97 - $42.97
    $42.97
    $42.97 - $42.97
    $42.97

  • STI STI-14200NR

    STI
    $49.12 - $49.12
    $49.12
    $49.12 - $49.12
    $49.12

    Universal Stopper Low Profile Cover, Spacer ; RED

    $49.12 - $49.12
    $49.12
    $49.12 - $49.12
    $49.12

  • STI STI-14400NR

    STI
    $86.15 - $86.15
    $86.15
    $86.15 - $86.15
    $86.15

    Universal Stopper Low Profile w/Enc Bkbx, Sealed Mt Plate ; RED

    $86.15 - $86.15
    $86.15
    $86.15 - $86.15
    $86.15

  • STI STI-3002

    STI
    $7.04 - $7.04
    $7.04
    $7.04 - $7.04
    $7.04

    Weather Gasket for Stopper II & Weather Stopper

    $7.04 - $7.04
    $7.04
    $7.04 - $7.04
    $7.04

  • STI STI-3100

    STI
    $16.21 - $16.21
    $16.21
    $16.21 - $16.21
    $16.21

    Conduit Spacer-Clear For Stopper II Series, incl. frame

    $16.21 - $16.21
    $16.21
    $16.21 - $16.21
    $16.21

  • STI STI-3150

    STI
    $72.90 - $72.90
    $72.90
    $72.90 - $72.90
    $72.90

    Weather Stopper Surface Mt.- Red w/o Horn-Fire Text

    $72.90 - $72.90
    $72.90
    $72.90 - $72.90
    $72.90

  • STI STI-6200

    STI
    $28.20 - $28.20
    $28.20
    $28.20 - $28.20
    $28.20

    Fire Extinguisher Theft Stopper

    $28.20 - $28.20
    $28.20
    $28.20 - $28.20
    $28.20

  • STI STI-6400

    STI
    $84.80 - $84.80
    $84.80
    $84.80 - $84.80
    $84.80

    Exit Stopper Multifunction Door Alarm, Red

    $84.80 - $84.80
    $84.80
    $84.80 - $84.80
    $84.80

  • STI STI-6400WIR

    STI
    $111.71 - $111.71
    $111.71
    $111.71 - $111.71
    $111.71

    Wireless Exit Stopper Multifunction Door Alarm

    $111.71 - $111.71
    $111.71
    $111.71 - $111.71
    $111.71

  • STI STI-6402

    STI
    $95.88 - $95.88
    $95.88
    $95.88 - $95.88
    $95.88

    Exit Stopper Multifunction Door Alarm for Double Door

    $95.88 - $95.88
    $95.88
    $95.88 - $95.88
    $95.88

  • STI STI-6402WIR

    STI
    $121.27 - $121.27
    $121.27
    $121.27 - $121.27
    $121.27

    Wireless Exit Stopper Multifunction Door Alarm for Double Doors

    $121.27 - $121.27
    $121.27
    $121.27 - $121.27
    $121.27

  • STI STI-6518

    STI
    $22.58 - $22.58
    $22.58
    $22.58 - $22.58
    $22.58

    Bopper Stopper-Clear w/Spring hinge

    $22.58 - $22.58
    $22.58
    $22.58 - $22.58
    $22.58

  • STI STI-6519

    STI
    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56

    Single-Gang Protective Cover w/Mounting Plate, Piano Hinge

    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56

  • STI STI-6540B

    STI
    $51.92 - $51.92
    $51.92
    $51.92 - $51.92
    $51.92
    DISCONTINUED

    MINI STPPR W/O HORN W/LBL BLUE

    $51.92 - $51.92
    $51.92
    $51.92 - $51.92
    $51.92
  • Save $5.00 Save $0.00

    STI STI-7500C

    STI
    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    DISCONTINUED

    Polycarbonate Enclosure with Open Back Box for Flush Mount Applications and Interior Key Lock

    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    Save $5.00 Save $0.00
  • Save $5.00 Save $0.00

    STI STI-7500E

    STI
    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    DISCONTINUED

    Polycarbonate Enclosure with Open Back Box for Flush Mount Applications and Interior Key Lock

    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    Save $5.00 Save $0.00
  • Save $5.00 Save $0.00

    STI STI-7501C

    STI
    $33.11
    $33.11 - $33.11
    $33.11
    $28.11
    $28.11 - $28.11
    $28.11
    DISCONTINUED

    Polycarbonate Enclosure with Open Back Box for Flush Mount Applications and Interior Thumb Lock

    $33.11
    $33.11 - $33.11
    $33.11
    $28.11
    $28.11 - $28.11
    $28.11
    Save $5.00 Save $0.00

  • STI STI-7510A

    STI
    $53.80 - $53.80
    $53.80
    $53.80 - $53.80
    $53.80

    Polycarbonate Enclosure w/Enc Deep Bkbx & Exterior Key Lock

    $53.80 - $53.80
    $53.80
    $53.80 - $53.80
    $53.80

  • STI STI-7510D

    STI
    $49.18 - $49.18
    $49.18
    $49.18 - $49.18
    $49.18

    Polycarbonate Enclosure w/Open Conduit Bkbx, Surface Mt Apps & Exterior Key Lock

    $49.18 - $49.18
    $49.18
    $49.18 - $49.18
    $49.18

  • STI STI-7510E

    STI
    $48.41 - $48.41
    $48.41
    $48.41 - $48.41
    $48.41

    Polycarbonate Enclosure w/Open Bkbx for Fl Mt Apps & Exterior Key Lock

    $48.41 - $48.41
    $48.41
    $48.41 - $48.41
    $48.41

  • STI STI-7511A-HTR

    STI
    $163.36 - $163.36
    $163.36
    $163.36 - $163.36
    $163.36

    Heated Polycarbonate - Deep Enc Bkbx- Thumb Lock

    $163.36 - $163.36
    $163.36
    $163.36 - $163.36
    $163.36

  • STI STI-7520

    STI
    $104.18 - $104.18
    $104.18
    $104.18 - $104.18
    $104.18

    NEMA 4X Polycarbonate Cabinet w/Key Lock - Clear

    $104.18 - $104.18
    $104.18
    $104.18 - $104.18
    $104.18

  • STI STI-7521

    STI
    $109.39 - $109.39
    $109.39
    $109.39 - $109.39
    $109.39

    NEMA 4X Polycarbonate Cabinet w/Thumb Lock - Clear

    $109.39 - $109.39
    $109.39
    $109.39 - $109.39
    $109.39

  • STI STI-7525

    STI
    $161.40 - $161.40
    $161.40
    $161.40 - $161.40
    $161.40

    Protective Cabinet with Siren/Strobe Alarm, Thumb Lock - Clear

    $161.40 - $161.40
    $161.40
    $161.40 - $161.40
    $161.40

  • STI STI-7530

    STI
    $180.49 - $180.49
    $180.49
    $180.49 - $180.49
    $180.49

    Protective Cabinet w/backplate-Clear-Key lock

    $180.49 - $180.49
    $180.49
    $180.49 - $180.49
    $180.49

  • STI STI-7531

    STI
    $180.49 - $180.49
    $180.49
    $180.49 - $180.49
    $180.49

    Polycarbonate Cabinet w/Thumb Lock - Clear 12" X 14" X 6.37"

    $180.49 - $180.49
    $180.49
    $180.49 - $180.49
    $180.49
  • Save $5.00 Save $0.00

    STI STI-7600

    STI
    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    DISCONTINUED

    Mega Stopper with Key Lock

    $23.74
    $23.74 - $23.74
    $23.74
    $18.74
    $18.74 - $18.74
    $18.74
    Save $5.00 Save $0.00

  • STI STI-7710

    STI
    $38.44 - $38.44
    $38.44
    $38.44 - $38.44
    $38.44

    Poly Cover w/ Open Back Box & Lock

    $38.44 - $38.44
    $38.44
    $38.44 - $38.44
    $38.44

  • STI STI-7730-OW

    STI
    $73.78 - $73.78
    $73.78
    $73.78 - $73.78
    $73.78

    White Poly Cover w/ Enclosed Back Box, Lock, Gasket

    $73.78 - $73.78
    $73.78
    $73.78 - $73.78
    $73.78

  • STI STI-8100

    STI
    $21.27 - $21.27
    $21.27
    $21.27 - $21.27
    $21.27

    Smoke Detector Protector, Acrylic

    $21.27 - $21.27
    $21.27
    $21.27 - $21.27
    $21.27

  • STI STI-9110

    STI
    $26.14 - $26.14
    $26.14
    $26.14 - $26.14
    $26.14

    Large Thermostat Protector w/Key Lock - Clear

    $26.14 - $26.14
    $26.14
    $26.14 - $26.14
    $26.14

  • STI STI-9601

    STI
    $29.69 - $29.69
    $29.69
    $29.69 - $29.69
    $29.69

    Steel Web Stopper-Low Profile-Flush Mount-White

    $29.69 - $29.69
    $29.69
    $29.69 - $29.69
    $29.69

  • STI STI-9609

    STI
    $29.69 - $29.69
    $29.69
    $29.69 - $29.69
    $29.69

    Steel Web Stopper, High Profile, Fl Mt

    $29.69 - $29.69
    $29.69
    $29.69 - $29.69
    $29.69

  • STI STI-9610

    STI
    $32.64 - $32.64
    $32.64
    $32.64 - $32.64
    $32.64

    Steel Web Stopper, High Profile, Surface Mt

    $32.64 - $32.64
    $32.64
    $32.64 - $32.64
    $32.64

  • STI STI-9620

    STI
    $21.69 - $21.69
    $21.69
    $21.69 - $21.69
    $21.69

    Motion Detector Damage Stopper 6.25 X 4.00 x 2.25"

    $21.69 - $21.69
    $21.69
    $21.69 - $21.69
    $21.69

  • STI STI-9701

    STI
    $29.66 - $29.66
    $29.66
    $29.66 - $29.66
    $29.66

    Wire Guard Damage Stopper

    $29.66 - $29.66
    $29.66
    $29.66 - $29.66
    $29.66

  • STI STI-9705

    STI
    $28.86 - $28.86
    $28.86
    $28.86 - $28.86
    $28.86

    Speaker/Strobe Damage Stopper, Surface Mt (Not UL Listed)

    $28.86 - $28.86
    $28.86
    $28.86 - $28.86
    $28.86

  • STI STI-9705-R

    STI
    $28.86 - $28.86
    $28.86
    $28.86 - $28.86
    $28.86

    STROBE WIRE GUARD (RED)

    $28.86 - $28.86
    $28.86
    $28.86 - $28.86
    $28.86

  • STI STI-9708-R

    STI
    $34.55 - $34.55
    $34.55
    $34.55 - $34.55
    $34.55

    STROBE WIRE GUARD (RED)

    $34.55 - $34.55
    $34.55
    $34.55 - $34.55
    $34.55

  • STI STI-9711

    STI
    $29.96 - $29.96
    $29.96
    $29.96 - $29.96
    $29.96

    Horn/Strobe/Speaker Damage Stopper-3.54"-White

    $29.96 - $29.96
    $29.96
    $29.96 - $29.96
    $29.96

  • STI STI-9714

    STI
    $35.10 - $35.10
    $35.10
    $35.10 - $35.10
    $35.10

    STROBE WIRE GUARD

    $35.10 - $35.10
    $35.10
    $35.10 - $35.10
    $35.10

  • STI STI-9730

    STI
    $89.62 - $89.62
    $89.62
    $89.62 - $89.62
    $89.62

    Large 12" x 12" x 12" Wire Cage

    $89.62 - $89.62
    $89.62
    $89.62 - $89.62
    $89.62

  • STI STI-9740

    STI
    $60.09 - $60.09
    $60.09
    $60.09 - $60.09
    $60.09

    Exit Sign Damage Stopper

    $60.09 - $60.09
    $60.09
    $60.09 - $60.09
    $60.09

  • STI STI-9750

    STI
    $31.31 - $31.31
    $31.31
    $31.31 - $31.31
    $31.31

    STROBE WIRE GUARD, CEILING MOUNT, WHITE

    $31.31 - $31.31
    $31.31
    $31.31 - $31.31
    $31.31