“Gupoflex” is a CO2 spray which will safely and effectively detect all kinds of gas or air leaks in seals, valves, cylinders, pipes, tanks, etc. The container is extremely compact and lightweight, can be carried easily and used anywhere. When sprayed on the surface where a leak exists the spray will foam. It is a very sensitive spray and will even detect low pressure leaks. The CO2 is not harmful to one’s health and it has no effect upon the surface which it is sprayed. Leak detective capacity up to 1 x 10-4/sec, 345 grm/tin.