SAFEYETM OPEN-PATH GAS MONITOR SYSTEM Spectrex, Inc.: Provides short-range IR or UV detection of combustible, toxic, and aromatic gases. OPIF model operates on flash-type filament and is available in IR or UV systems. OPIL model operates on lamp-type filament. Allows easy alignment of detector and source and flexible installation using adjustable swivel mounts. DUCT mounting available. Detector and light source housed in explosion proof, heavy-duty copper-free aluminum housing; stainless steel available. (800) 452-2107.