Pro-Con Blue is a concentrated glass and hard surface cleaner is dispensed ready-to-use from your Pro-Con dispenser. It is an advanced formula containing deionized, softened water, alcohol and special cleaners that “wick” into the cleaning cloth and evaporate completely for streak-free cleaning. Removes fingerprints, smoke film, grease and other soils. Pro-Con products use a Closed Loop System and requires a Handi-Lock Connector. Intercon Brand Only