The Wagner Filter 100 Mesh Yellow 3pk is a set of three replacement filters designed for use with Wagner airless paint sprayers. The 100 mesh size is suitable for use with medium to thick materials, such as interior and exterior latex paint, enamel, and primer. The yellow color makes it easy to identify and replace the filter when needed, ensuring a smooth and consistent spray. The filters are easy to install and remove, and can be cleaned for reuse. It is recommended to replace the filter periodically to maintain the performance and longevity of your Wagner paint sprayer.