: A highly-rated merchant (4.8 stars) that stocks multiple versions, including the professional LL6270 Low Level Monitor for $199.95. : Offers the
: Features listings for various Defender models from third-party sellers. Popular Models & Features Defender Carbon Monoxide Detector - Amazon.com defender carbon monoxide detector where to buy
model for around $109.95, often with same-day shipping availability. : A highly-rated merchant (4
: Specializes in these units, providing both standard UL-rated residential alarms and low-level monitors. : Specializes in these units, providing both standard
You can purchase primarily through specialized HVAC and safety tool retailers. These professional-grade alarms are known for detecting low levels of carbon monoxide (CO) that standard retail detectors often miss. Online Retailers InspectorTools : Carries models like the Defender CA6150 Go to product viewer dialog for this item. for approximately $99.95 with free delivery options. TruTech Tools