The Wooster 3" Factory Sale Polyester Wall Brush is most likely a product available at a discounted price directly from Wooster's factory. This brush is made primarily for painting huge areas like walls. The 3-inch width provides faster coverage, making it suitable for both household and commercial painting applications.
The brush has polyester bristles that are long-lasting and compatible with a wide range of coatings, including latex paints, which are widely used for wall painting. While the "Factory Sale" tag indicates that it may be available at a lower price, it is likely to meet Wooster's quality and performance standards.
Overall, the Wooster 3" Factory Sale Polyester Wall Brush is an affordable option for getting professional-looking results on your walls.