First Alert 1039727/CO410 Electrochemical Carbon Monoxide Detector, 9 Volts, White FreshArrivals It provides a finished installation

It provides a finished installation at the ceiling level and will support up to 20 feet of 6" diameter chimney

High quality chalk

Its locking casters allows you to move the rack from one place to other

integrally molded-in drain with stopper

One convenient waterproof application of Advantage II lasts up to 1 month

First Alert 1039727/CO410 Electrochemical Carbon Monoxide Detector, 9 Volts, White FreshArrivals It provides a finished installationHighlights: Display: Backlit Digital Voltage: 9 V Battery Size: AA Battery Type: Alkaline Housing Color: White (2) AA Batteries Dimensions: 3. 3" height x 4. 75" width x 1. 5" depth Single button tests alarm functions and mutes nuisance alarms Battery powered carbon monoxide alarm End of alarm life timer Front access battery compartment Low battery warning Button to silence or test alarm functions 85 decibel alarm, low battery warning with silence