OMNI-FILL MasterBlend Fill One refillable aerosol cans are designed for use with solvent-based paints, including enamels, lacquers, vinyls and acrylics. These cans contain reducing solvents and propellant with proper space remaining for the addition of paint, creating the ultimate finished aerosol. *Please note, these cans DO NOT contain paint. To fill these cans, you must have access to an Omni Fil Fill-One Filling Machine. Although most products will custom-fill without reduction, lacquers should be reduced 5 parts lacquer to 1 part lacquer reducer for optimum atomization.