The Pentek WP5BB20P is a 5 micron Polypropylene String-Wound Water Filter Cartridge designed to reduce fine sediment from a variety of fluids. These water filter cartridges are suitable for a wide variety of sediment filtration applications, including municipal and well water as well as many industrial fluids. The Pentek WP5BB20P water filter cartridges are wound in a precise pattern around the core providing greater surface area. The result is higher dirt-loading capacity and greater efficiency than standard string wound cartridges. The WP5BB20P sediment filter cartridges are manufactured from a durable polypropylene cord that is wound around a rigid polypropylene core. They are an economical solution to reduce fine sediment, including sand, silt, rust and scale particles.