Gasoline Fume Detector 2" In-Dash Mount

Gasoline Fume Detector 2" In-Dash Mount Keep your friends and family safe! This affordable unit detects dangerous fuel vapors, propane, methane, hydrogen (from batteries), and many other explosive vapors. Available in dash mount unit. 1 fume sensor is included, but an additional sensor can be added to either unit for monitoring of a propane locker or gen-set area. On/Off/Test switch insures smooth operation. 2 1/8" diameter.