Fluorescent gas leak detector is a complete product. Not only does it detect the smallest leak, it also provides other significant features and benefits. It's high viscosity formula enables it to remain in contact with the applied surface for an extended period of time, thereby allowing the smallest of leaks to be detected.

Nu-Calgon Gas Leak Detector, 1 qt, Spray Bottle, Composition: 25% 1,2-Propanediol, Liquid, Fluorescent Yellow, Neutral, 8.1 - 8.5 (Concentrate) pH, 15 deg F Melting Point, 325 - 425 cP Viscosity, Up to 225 deg F

• High viscosity formulation to enhance contact time
• Non-corrosive to metals
• Freeze protected to 5 deg F
• Fluorescence for improved visibility
• Long-lasting bottles
• Sprayer is fully engaged in bottle, no need to hunt for loose sprayers