The Postpure PP™ filter cartridge is comprised of pleated polypropylene depth media and is manufactured using high-quality materials that are approved by the FDA (Food and Drug Administration) in agreement with title 21 of the U.S. Code of Federal Regulations. These cartridges are ideal for food and beverage applications.
Except for the gaskets and O-rings, all the polypropylene parts comply with USP standards set for class VI- 121°C plastics and are biologically safe. Postpure manufactures a large variety of cartridges and housings exclusively for post-filtration needs in various DI resin applications. These cartridges are devoid of resins, adhesives or binders.