Pentair Pentek WP Series 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.

These string-wound cartridges are capable of withstanding temperatures up to 165°F (73.9°C).

WP Series Cartridges are suitable for a wide variety of sediment filtration applications, including municipal and well water as well as many industrial fluids.