Fireboy-Xintex Gasoline Fume Detector w/Blower Control - Black Bezel - 12V [G-1BB-R]Gasoline Fume Detector w Blower Control Black Bezel 12V The Single Channel Gasoline Fume Detector is an effective means to monitor gasoline fumes in an engine compartment, fuel tank storage area or in other areas where gasoline fumes might accumulate. Complete system includes Blower Control Relay, easy installation and precise monitoring. Features: Simple Installation Audible and visual alarm to indicate LEL (Lower Explosive Level) presence Monitors