Refill cartridges are designed for the Just Add Water System, a safe, economical, ecological, efficient cleaner that only requires water. The portable JAWS cartridge automatically delivers the precise amount of concentrate. All you have to do is fill your work bottle with water, insert the JAWS cartridge, screw the trigger spray back on and clean. Disinfectant Cleaner Degreaser reduces the spread of infection and is guaranteed to kill 99.9 percent of germs. Use this broad-spectrum disinfectant to clean and disinfect any hard nonporous surface area where viruses and bacteria live. Ideal for countertops, door knobs, garbage cans, sinks, stovetops, telephones, toilets and sealed wood. Small cartridges in a compact box dramatically reduce space.