First Alert BRK 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #23944 | Model #511-43-114-114B they are compact and corrosion

they are compact and corrosion resistant

Hot surface ignitor output

and is NSF listed

fire extinguishers

offers excellent adhesion to difficult substrates

First Alert BRK 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #23944 | Model #511-43-114-114B they are compact and corrosion120V AC DC Interconnectable Ionization Smoke & CO Alarm w 10 YR Locked Battery Backup Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning 10 Year battery backup provides continuous