The Pro Products 2662-GL Rid O Rust Liquid Rust Stain Remover is a high-quality product made in the USA by Pro Products. This liquid rust stain remover is specifically designed for removing tough rust stains, making it an essential part of plumbing and home improvement projects. With its compatibility with Pro Products models and its focus on using materials sourced from the USA, this product ensures a reliable and efficient solution for rust stain removal in various settings.