PUfoam cleaner is used to clean guns, remove foam canisters, and insert spray stems into cleaner canisters, in order to be able to manually clean any excess material from valve connections Open trigger valve on gun and discharge cleaner through gun until all traces of foam have been removed. Protect pressurized container from the sunlight and do not expose to temperatures above 50 degrees Celsius. Keep away from ignitable sources. Keep out of reach of children.