First Alert CO400 Battery-Powered Carbon Monoxide Alarm with 9V Battery Cartridges & Filters and precision manufacturers who need

and precision manufacturers who need A5 cut protection without losing tactile feel

ground crew) Excellent NRR 30 is the top of 3M's passive Optime line

so you can add task lighting without straps that slip

see what is NRR and our guide on how to calculate the NRR you need

10-year warranty Certification UL 2034

First Alert CO400 Battery-Powered Carbon Monoxide Alarm with 9V Battery Cartridges & Filters and precision manufacturers who needEDITORIAL REVIEW First Alert CO400 Battery Powered Carbon Monoxide Alarm with 9V Battery Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor. Short answer: The CO400 is First Alert's entry level battery powered CO alarm powered by a single 9V battery, no outlet required, place it anywhere. If you need a no frills detector for a bedroom, RV, camper, or a location