OOLALA JI brings to you set of high quality 10 inch PP, GAC & CTO filters to remove suspended particals e.g. dirt, slit, sand, dust, rust, etc along with chlorine. This set of filter is essential to polish the water before RO & UV purification stages. Such sets are also used before water coolers. This set contains 20″ PP Spun, 20″ Granular Activated Carbon (GAC) & 20″ Carbon Block Filter (CTO), 1 no each.