Lubegard’s Evaporator & Heater Foam Cleaner is odor neutralizing and leaves behind a clean, fresh scent!5.Provided graphic –Evap Core KOOL-IT is packaged with a 30” long hose with a special tip to help you break through minor clogs and applies our product directly to the HVAC system. It’s super foaming action flushes out and neutralizes unwanted contaminants.