First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector 2x8x10 For preventative algae control

For preventative algae control

they feature a mat-resistant

Up to 40% more power

Allows for the brass push connection to be disconnected from the pipe quickly and easily

First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector 2x8x10 For preventative algae controlThe First Alert SM210V 10 Year Sealed Battery Smoke Alarm with Voice & Location Alerts helps guide your escape to safety. Utilizing First Alert's Precision Detection advanced sensing technology that complies with new industry standards, the SM210V provides reliable and convenient protection. Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Voice & location alerts tell you the location of danger to help