First Alert PC910 Photoelectric Combo Smoke & Carbon Monoxide Alarm, White, 3 V Power Miter Boxes Key number: K4

Key number: K4

highly effective sanding system

Surface is ready for sandable in just 30 minutes

each valve has a data tag with installation instructions and is bar-coded for easy identification

heat resistant PVC with flame

First Alert PC910 Photoelectric Combo Smoke & Carbon Monoxide Alarm, White, 3 V Power Miter Boxes Key number: K4Highlights: No battery changes for the life of the alarm Photoelectric nuisance resistant technology New sleek thin design Mute silence button End of life signal Versatile wall or ceiling mount Easy slide mounting bracket Emits T3 pattern Electrochemical sensor Power LED and alarm indicator No battery changes for the life of the alarm Separate sensors to detect smoke and CO, the two alarm systems work independently Usage for residential applications