Skip to content
100%
Behind what we sell,
by offering one year warranty
SAME DAY SHIPPING
CUT-OFF TIME 3PM EST
LET US BE YOUR  NEXT SECURITY  PARTNER
Next Security, LLC BBB Business Review
LET US BE YOUR  NEXT SECURITY PARTNER

STI

Filters

  • STI-1230 STI

    STI
    $61.61 - $61.61
    $61.61
    $61.61 - $61.61
    $61.61

    Stopper II w/o Horn-Surface Mount

    $61.61 - $61.61
    $61.61
    $61.61 - $61.61
    $61.61

  • STI-3150 STI

    STI
    $72.18 - $72.18
    $72.18
    $72.18 - $72.18
    $72.18

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

    $72.18 - $72.18
    $72.18
    $72.18 - $72.18
    $72.18

  • STI-9764 STI

    STI
    $27.91 - $27.91
    $27.91
    $27.91 - $27.91
    $27.91

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, WHITE

    $27.91 - $27.91
    $27.91
    $27.91 - $27.91
    $27.91
  • Sold out

    STI-6400 STI

    STI
    $80.61 - $80.61
    $80.61
    $80.61 - $80.61
    $80.61

    Exit Stopper Multifunction Door Alarm, Red

    $80.61 - $80.61
    $80.61
    $80.61 - $80.61
    $80.61
    Sold out

  • STI-13220FR STI

    STI
    $87.78 - $87.78
    $87.78
    $87.78 - $87.78
    $87.78

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

    $87.78 - $87.78
    $87.78
    $87.78 - $87.78
    $87.78

  • STI-13200NC STI

    STI
    $41.67 - $41.67
    $41.67
    $41.67 - $41.67
    $41.67

    Universal Stopper Dome Cover w/Clear Spacer

    $41.67 - $41.67
    $41.67
    $41.67 - $41.67
    $41.67

  • STI-6402 STI

    STI
    $88.33 - $88.33
    $88.33
    $88.33 - $88.33
    $88.33

    Exit Stopper Multifunction Door Alarm for Double Door

    $88.33 - $88.33
    $88.33
    $88.33 - $88.33
    $88.33

  • STI-1200 STI

    STI
    $50.59 - $50.59
    $50.59
    $50.59 - $50.59
    $50.59

    Stopper II w/o Horn-Flush Mount

    $50.59 - $50.59
    $50.59
    $50.59 - $50.59
    $50.59

  • EM1212DOC STI

    STI
    $82.96 - $82.96
    $82.96
    $82.96 - $82.96
    $82.96

    Red Metal "System Record Documents" Box, Thumb Lock, 12x12x4

    $82.96 - $82.96
    $82.96
    $82.96 - $82.96
    $82.96

  • STI-1221D STI

    STI
    $40.46 - $40.46
    $40.46
    $40.46 - $40.46
    $40.46

    STROBE DAMAGE STOPPER W/OPEN BKBX W/CONDUIT KNOCKOUT

    $40.46 - $40.46
    $40.46
    $40.46 - $40.46
    $40.46

  • STI-9767 STI

    STI
    $33.23 - $33.23
    $33.23
    $33.23 - $33.23
    $33.23

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, SURFACE, WHITE

    $33.23 - $33.23
    $33.23
    $33.23 - $33.23
    $33.23

  • STI-9765-R STI

    STI
    $33.23 - $33.23
    $33.23
    $33.23 - $33.23
    $33.23

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, SURFACE, RED

    $33.23 - $33.23
    $33.23
    $33.23 - $33.23
    $33.23

  • STI-9760 STI

    STI
    $26.43 - $26.43
    $26.43
    $26.43 - $26.43
    $26.43

    STROBE WIRE GUARD, FLUSH MOUNT, WHITE

    $26.43 - $26.43
    $26.43
    $26.43 - $26.43
    $26.43

  • STI-9714 STI

    STI
    $30.97 - $30.97
    $30.97
    $30.97 - $30.97
    $30.97

    STROBE WIRE GUARD

    $30.97 - $30.97
    $30.97
    $30.97 - $30.97
    $30.97

  • STI-1221E STI

    STI
    $33.39 - $33.39
    $33.39
    $33.39 - $33.39
    $33.39

    STROBE DAMAGE STOPPER W/OPEN BKBX FOR FL MT

    $33.39 - $33.39
    $33.39
    $33.39 - $33.39
    $33.39

  • STI-9110 STI

    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-13020FR STI

    STI
    $79.52 - $79.52
    $79.52
    $79.52 - $79.52
    $79.52

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

    $79.52 - $79.52
    $79.52
    $79.52 - $79.52
    $79.52

  • STI-9620 STI

    STI
    $18.34 - $18.34
    $18.34
    $18.34 - $18.34
    $18.34

    Motion Detector Damage Stopper 6.25 X 4.00 x 2.25"

    $18.34 - $18.34
    $18.34
    $18.34 - $18.34
    $18.34

  • STI-9740 STI

    STI
    $52.11 - $52.11
    $52.11
    $52.11 - $52.11
    $52.11

    Exit Sign Damage Stopper

    $52.11 - $52.11
    $52.11
    $52.11 - $52.11
    $52.11

  • STI-7530 STI

    STI
    $175.07 - $175.07
    $175.07
    $175.07 - $175.07
    $175.07

    Protective Cabinet w/backplate-Clear-Key lock

    $175.07 - $175.07
    $175.07
    $175.07 - $175.07
    $175.07

  • STI-1250 STI

    STI
    $57.93 - $57.93
    $57.93
    $57.93 - $57.93
    $57.93

    Weather Stopper II

    $57.93 - $57.93
    $57.93
    $57.93 - $57.93
    $57.93

  • STI-1130 STI

    STI
    $86.27 - $86.27
    $86.27
    $86.27 - $86.27
    $86.27

    Stopper II w/Horn & Spacer

    $86.27 - $86.27
    $86.27
    $86.27 - $86.27
    $86.27

  • STI-1100 STI

    STI
    $80.39 - $80.39
    $80.39
    $80.39 - $80.39
    $80.39

    Stopper II w/Horn Flush Mount

    $80.39 - $80.39
    $80.39
    $80.39 - $80.39
    $80.39

  • STI-LT-1UL STI

    STI
    $39.74 - $39.74
    $39.74
    $39.74 - $39.74
    $39.74

    LATCHING/TIMER MODULE - LT-1UL converts a momentary button to a button with timing options.

    $39.74 - $39.74
    $39.74
    $39.74 - $39.74
    $39.74

  • BPA4836 STI

    STI
    $472.13 - $472.13
    $472.13
    $472.13 - $472.13
    $472.13

    Aluminum Back Panel 48 x 36

    $472.13 - $472.13
    $472.13
    $472.13 - $472.13
    $472.13

  • EN483612-W2 STI

    STI
    $6,289.48 - $6,289.48
    $6,289.48
    $6,289.48 - $6,289.48
    $6,289.48

    Fiberglass Enclosure with A/C and Heat, 48 x 36 x 12, with Window

    $6,289.48 - $6,289.48
    $6,289.48
    $6,289.48 - $6,289.48
    $6,289.48

  • KL544 STI

    STI
    $6.39 - $6.39
    $6.39
    $6.39 - $6.39
    $6.39

    Key Lock for STI-EM models

    $6.39 - $6.39
    $6.39
    $6.39 - $6.39
    $6.39

  • STI-1229 STI

    STI
    $61.87 - $61.87
    $61.87
    $61.87 - $61.87
    $61.87

    Stopper Dome for Strobe w/Enc Bkbx - NEMA 4X

    $61.87 - $61.87
    $61.87
    $61.87 - $61.87
    $61.87

  • STI-7510A STI

    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-13320FR STI

    STI
    $106.22 - $106.22
    $106.22
    $106.22 - $106.22
    $106.22

    Universal Stopper Dome Cover w/Enc Fl Bkbx, Horn, Red Housing, Fire Label

    $106.22 - $106.22
    $106.22
    $106.22 - $106.22
    $106.22

  • STI-14320FR STI

    STI
    $99.93 - $99.93
    $99.93
    $99.93 - $99.93
    $99.93

    Universal Stopper Low Profile Cover w/Enc Fl Bkbx, Horn, Red Housing, Fire Label

    $99.93 - $99.93
    $99.93
    $99.93 - $99.93
    $99.93
  • Save $0.60 Save $0.00

    KIT-71101A-R STI

    STI
    $12.33
    $12.33 - $12.33
    $12.33
    $11.73
    $11.73 - $11.73
    $11.73

    Back box & Spacer Kit for 0 or 3 switch in Red

    $12.33
    $12.33 - $12.33
    $12.33
    $11.73
    $11.73 - $11.73
    $11.73
    Save $0.60 Save $0.00
  • Save $0.60 Save $0.00

    KIT-71101A-Y STI

    STI
    $12.33
    $12.33 - $12.33
    $12.33
    $11.73
    $11.73 - $11.73
    $11.73

    "Back box & Spacer Kit for 0 or 3 switch in Red,Green, Yellow, White and Blue" ; YELLOW

    $12.33
    $12.33 - $12.33
    $12.33
    $11.73
    $11.73 - $11.73
    $11.73
    Save $0.60 Save $0.00
  • Save $5.20 Save $0.00

    SS2074EM-EN STI

    STI
    $103.91
    $103.91 - $103.91
    $103.91
    $98.71
    $98.71 - $98.71
    $98.71

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" ; RED ; EMERGENCY

    $103.91
    $103.91 - $103.91
    $103.91
    $98.71
    $98.71 - $98.71
    $98.71
    Save $5.20 Save $0.00
  • Save $2.89 Save $0.00

    SS2422LD-EN STI

    STI
    $58.24
    $58.24 - $58.24
    $58.24
    $55.35
    $55.35 - $55.35
    $55.35

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; BLUE ; LOCKDOWN

    $58.24
    $58.24 - $58.24
    $58.24
    $55.35
    $55.35 - $55.35
    $55.35
    Save $2.89 Save $0.00
  • Save $2.89 Save $0.00

    SS2329PO-EN STI

    STI
    $58.24
    $58.24 - $58.24
    $58.24
    $55.35
    $55.35 - $55.35
    $55.35

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; WHITE ; EMERGENCY POWER OFF

    $58.24
    $58.24 - $58.24
    $58.24
    $55.35
    $55.35 - $55.35
    $55.35
    Save $2.89 Save $0.00
  • Save $3.06 Save $0.00

    SS2221HV-EN STI

    STI
    $61.40
    $61.40 - $61.40
    $61.40
    $58.34
    $58.34 - $58.34
    $58.34

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" ; YELLOW ; HVAC SHUT-DOWN

    $61.40
    $61.40 - $61.40
    $61.40
    $58.34
    $58.34 - $58.34
    $58.34
    Save $3.06 Save $0.00
  • Save $5.57 Save $0.00

    STI-6400WIR STI

    STI
    $111.71
    $111.71 - $111.71
    $111.71
    $106.14
    $106.14 - $106.14
    $106.14

    Wireless Exit Stopper Multifunction Door Alarm

    $111.71
    $111.71 - $111.71
    $111.71
    $106.14
    $106.14 - $106.14
    $106.14
    Save $5.57 Save $0.00
  • Save $1.89 Save $0.00

    STI-1102 STI

    STI
    $37.89
    $37.89 - $37.89
    $37.89
    $36.00
    $36.00 - $36.00
    $36.00

    Replacement Horn Kit (Red) for Stopper II

    $37.89
    $37.89 - $37.89
    $37.89
    $36.00
    $36.00 - $36.00
    $36.00
    Save $1.89 Save $0.00

  • SS2302PO-EN STI

    STI
    $51.96 - $51.96
    $51.96
    $51.96 - $51.96
    $51.96

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; WHITE ; EMERGENCY POWER OFF

    $51.96 - $51.96
    $51.96
    $51.96 - $51.96
    $51.96

  • STI-1150 STI

    STI
    $86.08 - $86.08
    $86.08
    $86.08 - $86.08
    $86.08

    Stopper II w/Horn Fl Mt, Indoor/Outdoor - red horn housing

    $86.08 - $86.08
    $86.08
    $86.08 - $86.08
    $86.08

  • SS2104AB-EN STI

    STI
    $55.10 - $55.10
    $55.10
    $55.10 - $55.10
    $55.10

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" ; GREEN ; ABORT

    $55.10 - $55.10
    $55.10
    $55.10 - $55.10
    $55.10

  • SS2001EM-EN STI

    STI
    $55.10 - $55.10
    $55.10
    $55.10 - $55.10
    $55.10

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" - RED ; EMERGENCY

    $55.10 - $55.10
    $55.10
    $55.10 - $55.10
    $55.10

  • SS2188EX-EN STI

    STI
    $252.38 - $252.38
    $252.38
    $252.38 - $252.38
    $252.38

    Pneumatic Illuminated ; GREEN ; EMERG EXIT

    $252.38 - $252.38
    $252.38
    $252.38 - $252.38
    $252.38

  • KIT-BB0SS STI

    STI
    $11.89 - $11.89
    $11.89
    $11.89 - $11.89
    $11.89

    Back box for slim/mullion

    $11.89 - $11.89
    $11.89
    $11.89 - $11.89
    $11.89

  • EM362408A STI

    STI
    $3,616.28 - $3,616.28
    $3,616.28
    $3,616.28 - $3,616.28
    $3,616.28

    Large Metal Protective Cabinet w/ AC & Heater (No Window)

    $3,616.28 - $3,616.28
    $3,616.28
    $3,616.28 - $3,616.28
    $3,616.28

  • EM362408W STI

    STI
    $905.93 - $905.93
    $905.93
    $905.93 - $905.93
    $905.93

    Large Metal Protective Cabinet (w/ Window)

    $905.93 - $905.93
    $905.93
    $905.93 - $905.93
    $905.93

  • STI-9708-R STI

    STI
    $29.84 - $29.84
    $29.84
    $29.84 - $29.84
    $29.84

    STROBE WIRE GUARD (RED)

    $29.84 - $29.84
    $29.84
    $29.84 - $29.84
    $29.84