Evercoat's Feather Fill primer is a premium polyester primer surfacer with a high-build, high-solids formula. Perfect for use with 1K and 2K etch primers, it offers exceptional flow and leveling. Its features include: smooth spraying, easy sanding, quick dry-to-sand time, and a formula that resists shrinking. It is compliant with both California and National Rule VOC regulations, making it a reliable choice for any project.