The WP1BB20P is a high-performance polypropylene string-wound filter designed for residential water filtration systems. This filter effectively removes sediment and particulates, ensuring clean and clear water. With a standard size of 20 inches, it fits most Big Blue filter housings. Constructed from durable polypropylene, it offers excellent chemical resistance and is ideal for various applications, including drinking water and irrigation systems. The filter's string-wound design enhances dirt-holding capacity, making it a reliable choice for long-term use.