Brio Gas Leak Detection Spray helps easily detecting the leaking points on gas and air systems of the threaded and flanged joints, ducts and welds under internal pressure. The product does not form harmful compounds with gases such as carbon dioxide (CO2), propane, butane, acetylene, compressed air, natural gas, nitrogen or fluorinated hydrocarbons. Fields of Application: Can be used in the threaded and flanged joints, ducts, welds and wherever gas leakage is suspected.