With Its" rugged construction, highly efficient design and hydraulically matched components, this filter provides all the clean, crystal clear water your pool requires. Plus, it"s incredibly simple to operate and maintain and built with long-term reliability in mind. The Sand Dollar filter features a special internal filter design that keeps the sand bed level which is critical for consistent performance and extended filter cycles and a one-piece thermoplastic filter tank for exceptional strength, corrosion resistance and long life. Comes complete with the filter tank, base, 6-way multi-port valve, sight glass and pressure gauge. 1-Year Warranty