Meguiar's M122 Surface Prep, 1 Gallon Meguiar's M122 Surface Prep – Paint Inspection Spray - M12201, 1 Gallon. SURFACE PREP: Spray & wipe to prepare surface for paint correction, touch-up paint, or coatings. REVEALS TRUE SURFACE: Reveals true paint condition for defect inspection during paint correction. EASY AND QUICK TO USE: Quickly remove dust, polishing oils & compound residue for maximum bonding. SAFE FORMULATION: Body shop safe formula and won’t swell or stain paint. COST EFFECTIVE: Ready-to-use and cost-effective inspection spray M12201 No -