The 3M Twist'N Fill system features a single compact dispenser that is designed to accurately mix and dispense a wide range of cleaning chemicals. You pick and choose only the chemicals you need for your cleaning tasks - then mix and dispense them all through the same dispenser. Your workes are safe. Mixing is easier, less wasteful and far more flexible. Your cleaning chemicals are consistent. Storage of chemicals is simplified. There's less risk to environment, and your costs are lower.