Safe-T-Alert 25 Series Surface Mount Dual Carbon Monoxide/Propane Alarm - 12V Hardwire - Black [25-741-BL] Cartography | Navionics Platinum Plus This selection comes with 5

This selection comes with 5 thrust washers

Operating Temperature Range: -4°F to +131°F (-20°C to +55°C)

Integrated Optic Design with Spot

Simple Installation: Yes

Vertical/Horizontal: Horizontal

Safe-T-Alert 25 Series Surface Mount Dual Carbon Monoxide/Propane Alarm - 12V Hardwire - Black [25-741-BL] Cartography | Navionics Platinum Plus This selection comes with 525 Series Surface Mount Dual Carbon Monoxide Propane Alarm 12V Hardwire Black The Safe T Alert 25 Series combination CO Gas Alarm is an alarm that combines into a single compact system, a powerful alarm that detects both Carbon Monoxide (CO) and explosive Propane (LPG) gas. The 25 Series uses the latest microprocessor technology combined with two electronic self cleaning sensors that operate independently of each other. The combined unit can detect