Traditional sand filters can only remove particles in the 50-100 micron range, but the Pentair Triton II Side Mount Filter is there with patented ClearPro Technology® removes particles up to five times smaller. This is to achieve 60% cleaner water than other sand filters. At the same time, Sand Dollar® Filter is incredibly simple to operate and maintain. And, its built with long-term reliability in mind. Stunning performance. Supreme simplicity. superior value.