Turbo Sonic Concentrated Cartridge Case Cleaning Solution- Scientifically formulated to clean brass cases- Removes tarnish, oxidation, and carbon build-up better than competitive formulas- Designed for the Lyman Turbo Sonic and other ultrasonic cleaners- Cleans brass cases inside and out, including primer pockets, in under 10 minutes when used with Lyman Turbo Sonic Cleaner- 16 fluid oz.