You no longer have to replace that Carbon Monoxide Detector every 28 days, the new Quantum Eye Carbon monoxide detector offers a minimum 18 months of sensor life.
What is the shelf life of the detector unopened?
It has an indefinate shelf life in its sealed package.
What is the shelf life of the QUANTUM EYE LONG LIFE CARBON MONOXIDE DETECTOR?
As long as the plastic is sealed and it has not been opened the shelf life is up to 10 years. Once the packaging is opened it will have an 18 month life span.