Firex Plug-In Carbon Monoxide Detector with 9-Volt Battery Backup and Digital Display (6-Pack)
Includes 6 units ($34.68 /unit)
$208.05 /package
Save up to $100 on your qualifying purchase 
Apply for a Home Depot Consumer Card- Carbon monoxide detector plugs directly into wall outlet
- 9V battery backup for protection even during power outages
- Digital display updates CO level in PPM every 15 seconds
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