Suppressor Shield Pre-Treat Kit™ is a ONE of a KIND Revolutionary Suppressor & Compensator Maintenance & OPTIMIZATION System that is designed to slow down the build-up of fouling and make future cleaning significantly easier. These units are expensive and often hard to get with all the regulations – WHY NOT GET THE MOST OUT OF YOUR INVESTMENT? Besides slowing down the build-up of fouling and making future cleaning significantly faster and easier, if used properly and regularly, it will OPTIMIZE the performance AND extend the life of the unit indefinitely. It will work on new cans or used cans cleaned or are “cleanable”. It works best on open cans but may also be used for new or chemically cleaned sealed cans.