First Alert 2-Pack Battery-Operated Carbon Monoxide Detector Item #70010 Model #63946822 Built to provide a safe

Built to provide a safe and solid bond that will prevent any disconnects and leaks for many seasons

A removable and washable dust screen is included for easy cleaning

45º adjustable fence allows for fast and accurate angle cuts without the hassle of using a wrench

8 cm) thick

First Alert 2-Pack Battery-Operated Carbon Monoxide Detector Item #70010 Model #63946822 Built to provide a safeThe First Alert CO400 carbon monoxide alarm uses an electrochemical sensor the most accurate technology available. The permanent sensor lasts up to 5 years. It is powered by a 9V replaceable battery giving you peace of mind even during power outages. The test silence button silences the alarm and allows you to test its functionality. The unit monitors and re alarms if carbon monoxide level persist sounding a loud 85 decibel horn. No installation is