Spectroline® UV Fluorescent Leak Detection Dye, 16 oz Net Content, Bottle Container, Liquid Form, Red, Light Blend Petroleum Odor/Scent, 288.5 deg F Flash Point, 49.4 cSt Viscosity, Suitable For Use With: Hydraulic Systems, Pipelines, Turbines, Liquid Holding Tanks, Cooling Towers, Turbine Engines, Vacuum Systems, Natural Gas Lines, Pneumatic Systems, Propane Tanks and Vacuum Systems