Scentry III BB Battery Back-Up for Gas Alarm,6/CS
Case of 6 Scentry III-GFRAB Battery Back-Ups Add a battery back-up to each Scentry II-GFRAB gas alarm (sold separately) with gas valve controller capability (unit sold separately.) Rechargeable...
Scentry III GFRAB LP/Gas Automatic Shut-Off With 1 Inch Valve
Scentry III GFRAB Explosive Gas Shut Off System with 1 Inch Gas Valve Scentry III-GFRAB a utomatic propane and natural gas shut off system with 1 inch diaphragm type gas valve with compression spring...