First Alert 1040962 Battery Operated Carbon Monoxide Alarm, 12 Pack BF20 rugged suction/discharge hose which has

rugged suction/discharge hose which has good chemical resistance

Oil pivot points to maintain smooth

Wrist-saver handle

Floodlight

With quick-disconnect terminals

First Alert 1040962 Battery Operated Carbon Monoxide Alarm, 12 Pack BF20 rugged suction/discharge hose which hasHighlights: 12 Pack Contractor pack Each unit is powered by one 9v replaceable battery Offering peace of mind even during power outages Includes a permanent internal sensor that lasts up to 5 years An 85 decibel horn sounds if carbon monoxide levels are too high Features a test silence button that silences the alarm Allows you to test its functionality No installation or outlet is required An optional wall mount is included A pull down action chart on