First Alert Plug-in Digital Carbon Monoxide Detector Item #5333325 | Model #SW1.5-36-PS This return air filter grille

This return air filter grille accepts most 18-inch by 18-inch air filters

Traditional oval design is ideal for illuminating your exterior

it's easy to move heavy pots and pans across the continuous

FIP x 1-1/2 in

First Alert Plug-in Digital Carbon Monoxide Detector Item #5333325 | Model #SW1.5-36-PS This return air filter grilleThe First Alert CO615 carbon monoxide alarm uses an electrochemical sensor the most accurate technology available. Simply plug this personal carbon monoxide detector into any standard outlet, and the backlit digital display will show the level of carbon monoxide in the room. The test silence button silences the alarm and allows you to test its functionality. This CO detector also features a battery backup that allows for continuous monitoring, even in