Polypropylene Nominal Pleated Cartridge Filters(PNP) offer the superior dirt holding capacity and high removal efficiency. The filters with multi graded fiber that yields progressive finer particles retention through the depth and life of media. The pleated cartridges are available in a wide selection of micron ratings to meet filtration requirement.  All the Polypropylene components and thermal bonded manufacturing enable the customers to have the smallest contaminant extraction and the higher durability. No any adhesive minimizes contamination from the media extraction. The materials are on the FDA listed as acceptable things to be portable and edible.