This is a USC3682071 1K Fill Can Version 1. Spraymax 1K Empty Fill Clean is a convenient, patented, no-mess system that transforms solvent borne & water borne single stage & basecoat color into a convenient 1K aerosol that performs like a spraygun. This system consists of the compact Fill One cylinder & empty 1K aerosol cans with integrated piston disc for filling in seconds, with no cleaning or waste! Part of a complete aerosol refinishing system. Color indicator in top of cap, VOC compliant & non-toxic.