Shopping from Canada? 
Go to Defender Canada!
4th of July Sale
-
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery
$133.19 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor and Solenoid
$389.69 - $404.09 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm
$136.79 -
10% off
MTI Industries Safe-T-Alert 62 Series Carbon Monoxide Alarm
$69.29 -
Up to 10% off
MTI Industries Safe-T-Alert 45 Series Dual Carbon Monoxide/Propane Alarm
$92.69 - $97.19 -
Up to 10% offFireboy Propane Fume Detector with 2 Sensors and Solenoid
$553.49 - $560.69 -
Up to 10% offMTI Industries Safe-T-Alert FX-4 Carbon Monoxide Alarm
$77.39 - $133.19 -
Up to 15% offFireboy 2 Channel Gasoline Fume Detector with Blower Control
$528.69 - $573.29 -
20% off
Fireboy CMD6 Marine Carbon Monoxide Alarm Interconnect
$135.99 - $152.99 -
Up to 10% off
Fireboy 1 Channel Gasoline Fume Detector
$303.29 - $314.99 -
Up to 10% off
Fireboy 1 Channel Gasoline Fume Detector with Blower Control
$329.39 - $359.09 -
10% offFireboy Propane Fume Detector with 2 Sensors - Auto Shut-off - P-2BNV-R
$463.49 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor
$322.19 - $336.59 -
10% off
Fireboy CMD6 Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect
$156.59 -
10% offMTI Industries Safe-T-Alert Marine Gas Fume/Fire/Bilge Water Alarm - MGD-1XL
$213.29 -
Up to 15% off
Fireboy Propane Gas and Gasoline Sensor
$137.69 - $188.09 -
Up to 10% off
MTI Industries Safe-T-Alert 25 Series Dual Carbon Monoxide/Propane Alarm
$77.39 - $186.29 -
10% off
MTI Industries Safe-T-Alert SA-340 Sealed Battery Carbon Monoxide Alarm
$66.59 -
Up to 10% off
MTI Industries Safe-T-Alert 35 Series Dual Carbon Monoxide/Propane Alarm
$92.69 - $178.19 -
Up to 10% off
Fireboy Single Channel Propane Fume Detector with 1 Sensor
$314.99 - $322.19 -
Up to 10% off
Fireboy Propane/CNG Control with Solenoid Valve
$203.39 - $255.59 -
10% off
MTI Industries Safe-T-Alert 20 Series Propane Alarm
$53.99 -
Up to 10% off
MTI Industries Safe-T-Alert 85 Series Dual Carbon Monoxide/Propane Alarm
$65.69 - $68.39 -
10% offMTI Industries In Dash Gasoline Fume Detector - MGD-1
$213.29 -
Up to 10% off
MTI Industries Safe-T-Alert 30 Series Propane Alarm
$57.59 - $59.39 -
10% offFireboy Emergency Fume Detection Horn - RH-1
$37.79 -
10% offMaretron Gas Fume Detector - CO-CO1224T
$209.69 -
10% offFireboy 1-Sensor LPG Propane Gas Fume Detector - S2B-LPG-X
$678.59 -
10% offFireboy 1-Sensor Compressed Natural Gas Fume Detector - S2B-CNG-X
$678.59 -
10% offFireboy Emergency Fume Detection Horn - RH-3
$39.59 -
10% off
Fireboy Propane Gas Sensor - FS-A01-F
$262.79 -
10% offFireboy 2-Channel Gasoline Fume Detector - G-2B-R
$530.09