First Alert 0827B Sealed Battery Smoke Alarm, 3 V GiftItems National pipe threads for creating

National pipe threads for creating tighter seals than straight threads

underlayments

2 AAA batteries included

Ensuring your workforce wears their safety helmets can be a real headache

NSF 42: Yes

First Alert 0827B Sealed Battery Smoke Alarm, 3 V GiftItems National pipe threads for creatingHighlights: Ionization sensor helps detect fast flaming fires Tamperproof, sealed alarm design, constant protection since battery cannot be removed Meets code for sealed tamperproof alarms, ideal for rental properties Mute button mutes unnecessary alarms immediately and also tests alarm function Easy installation, includes easy twist mount and hardware Power led and alarm indicator End of life signal alerts you when alarm needs to be replaced