Shopping from Canada? 
Go to Defender Canada!
Promotions
-
Up to 10% off
New England Ropes Nylon Double Braid Dock Line
$18.89 - $136.99 -
Up to 10% offTitan 3-Strand Anchor Rode with G4 HT Chain
$200.69 - $483.29 -
Up to 10% off
Samson HarborMaster Double Braid Dock Line
$26.09 - $161.99 -
Up to 10% off
Buccaneer Double Braid Dock Line
$10.42 - $90.99 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery
$133.19 -
10% off
Titan 3-Strand Anchor Rode with G4 Chain & Shackle - 10525223
$146.69 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm
$136.79 -
Up to 10% off
Taylor Made Double Braided Dock Line
$6.80 - $15.30 -
10% offTitan 8-Strand Anchor Rode with G4 Chain & Shackle - 10525228
$278.99 -
Up to 23% off
Buccaneer 3-Strand Twisted Nylon Dock Line
$6.28 - $71.99 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor and Solenoid
$389.69 - $404.09 -
Up to 10% off
New England Ropes Premium Nylon 3-Strand Dock Line
$18.82 - $116.99 -
10% off
MTI Industries Safe-T-Alert 62 Series Carbon Monoxide Alarm
$69.29 -
Up to 10% offMTI Industries Safe-T-Alert FX-4 Carbon Monoxide Alarm
$77.39 - $133.19 -
Up to 10% off
Fireboy 1 Channel Gasoline Fume Detector
$303.29 - $314.99 -
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 11% off
Samson HarborMaster Double Braid Dock Line with Eye
$17.76 - $28.79 -
10% offFireboy Propane Fume Detector with 2 Sensors - Auto Shut-off - P-2BNV-R
$463.49 -
Up to 10% off
Fireboy 1 Channel Gasoline Fume Detector with Blower Control
$329.39 - $359.09 -
Up to 15% off
Fireboy Propane Gas and Gasoline Sensor
$137.69 - $188.09 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor
$322.19 - $336.59 -
10% offFireboy 2-Channel Gasoline Fume Detector - G-2B-R
$530.09 -
Up to 10% offFireboy Propane Fume Detector with 2 Sensors and Solenoid
$553.49 - $560.69 -
Up to 10% off
Sea-Dog Double Braided Nylon Dock Line 5/8"
$20.69 - $59.39 -
10% offMTI Industries Safe-T-Alert Marine Gas Fume/Fire/Bilge Water Alarm - MGD-1XL
$213.29 -
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 -
10% offAqualarm Fire Alarm Kit
$102.59 -
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 -
Up to 20% offSea-Dog Twisted Nylon Anchor Line
$31.99 - $51.19 -
Up to 10% off
Sea-Dog Double Braided Nylon Dock Line 1/2"
$8.88 - $30.59 -
Up to 15% offFireboy Methane Fume Detector LED Display
$612.84 - $730.79 -
Up to 10% off
MTI Industries Safe-T-Alert 30 Series Propane Alarm
$57.59 - $59.39 -
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 -
Up to 11% off
Sea-Dog Double Braided Nylon Dock Line 3/8"
$6.94 - $17.76 -
Up to 10% off
Sea-Dog Double Braided Nylon Dock Line 3/4"
$37.79 - $68.39 -
10% off
Fireboy CMD6 Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect
$156.59 -
Up to 10% off
MTI Industries Safe-T-Alert 45 Series Dual Carbon Monoxide/Propane Alarm
$92.69 - $97.19 -
10% offMTI Industries In Dash Gasoline Fume Detector - MGD-1
$213.29 -
10% offSea-Dog Double Braided Nylon Anchor Line - 302110100G/W-1
$32.39 -
Up to 10% offFireboy MS-3 Methane Gas Sensor Extension Cable
$69.29 - $181.79 -
Up to 10% offSamson Super Strong Double Braid Nylon Line
$1.37 - $4.82 -
Up to 10% offAqualarm Remote Fire Detector
$36.89 - $38.69 -
10% offMaretron Gas Fume Detector - CO-CO1224T
$209.69