PETROMARK® 10226 LEAK DETECTOR SPRAY is a product in an easy to use aerosol that allows easy detection of suspected leaks. This product starts producing bubbles at areas where a leak is present. Designed for tracing leaks in all pressurized gas systems, compressed air, helium, nitrogen etc. as well in iron, copper and plastic piping. DIRECTIONS FOR USE: Shake can well before use. Subtrate should be clean and dry. Keep spray distance at 20-30 cm and spray area to be treated and see where foam building appears. Rinse the product off by water when used on plastic or copper pipes. Product is non-toxic and non-flammable.