Meguiars Professional Grit Guard - Multi - Collapsible Filter | Dirt FilterMeguiar's Professional Grit Guard Multi For Car detailing and paint work, the Meguiars Professional Grit Guard Multi is an indispensable asset to enthusiasts and professionals. It traps the dirt, grit and debris at the bottom, keeping it from recontaminating your wash mitt and, in return, possibly causing scratches. The insert is designed to fit into most wash buckets. Ideal to protect the finish between every wash Key Features Prevents swirl marks