An economical, disposable, filter element that can be used in a wide range of applications. The Crystal MBF depth filter is constructed of 100% polypropylene media for chemical compatibility with a variety of process fluids. The unique Crystal Core prevents collapse even at elevated temperatures. Certifications: USP Class VI - Meets USP Class VI Biological Test for Plastics. FDA Listed Materials - All Materials comply with FDA Title 21 of the Code of Federal Regulations Sections 174.5, and 177.1520, as applicable for food and beverage contact. NSF 61 - Certified to NSF/ANSI STD 61 for materials requirements only - Component. Typical Applications: RO Prefilters, Wastewater, Food & beverage, Chemicals, Blowdown post filter, Rad waste, Aqueous solutions, Inks.