Pleated High Flow Rated Filter Cartridges have a multi-layer filter medium, long service life, high dirt-holding capacity and low pressure drop. These features make it more reliable and economical than the traditional styles. Grace pleated filters have large filtration area, stable flow, low pressure drop and high dirt holding capacity without liberating pollutants. Its filtration quality is superior to traditional ones. Grace pleated filters are designed with high efficient filter materials treated specially without raising a bubble caused by organic matters. Compared with other filter materials, it has the highest efficiency and stable quality with a competitive price in the market.