Allen Breakthrough Clean Technologies Suppressor Cleaner - 32 oz - The Breakthrough Clean Technologies Suppressor Cleaner is a water-based, ammonia-free, cleaner that removes heavy carbon and lead deposits. Utilizing a proprietary blend of chemical surfactants and detergents, Suppressor Cleaner effectively works to neutralize all corrosive residues preventing damaging rust and corrosion without etching or harming your suppressor.