The System 3 Modular Media filters from Sta-Rite can handle 2-3 times more dirt than other filters to deliver maintenance free performance for up to a full season. Featuring perfectly balanced flow and an integral manifold design, these filters are engineered to deliver the ultimate in labor savings as well as being eco-friendly. Water flows very efficiently through this filter, often allowing the use of smaller pumps or lower pump speeds to minimize energy use. Combined with rinsing the cartridges rather than backwashing, you can significantly reduce water use, and become more eco-friendly while getting the performance your pool needs. Based on extensive research in filtration and media science by Sta-Rite, the System 3 filters make Ultra-Capacity Filtration a reality. Unlike conventional "cartridges," these filters combine a patented balanced flow and integral manifold design, plus an easily cleaned media element. Modular filter tanks allow for quick changing of the filter media. The result is a filter system that not only requires less frequent cleaning, but is also easy to clean. With this filter you get a long lasting, dependable filter in a sleek contemporary matte black finish that looks attractive in any pool setting.