202O-Gas-Leak-Detector-Spray-Monument-202O-p-Monument-detector-spray-designed-to-locate-the-source-of-a-gas-leak-by-producing-a-microporous-stable-foam-showing-up-the-smallest-leak-instantly-p-p-A-non-toxic-aerosol-that-does-not-form-combustible-mixtures-with-other-gases-&-is-safe-on-paintwork-metals-woods-&-clothing-p-p-Size-400ml-Spray-p-Monument-202O-Gas-Leak-Detector-Spray