- Spray On Gaseous Pipes And Joins To Identify Leaks. - Ideal For Preventative Maintenance Checks, New Installation Checks, and On All HVAC Systems. - Highly Visible And Easy To Use Gas Leak Detector For Pipe And Joints. - Ideal For HVAC Installations - Water-Based Formulation With No Oils, Silicone, Solvents And No 'Run-Off' Hazards - Non-Flammable And Odourless - Oxygen System Safe