Pleated cartridges are manufactured in a variety of micron ratings for all critical applications. Products are designed for high-purity electronics grade, USP 23 Class 6 Pharmaceutical grade and industrial process applications. PTFE, PES, E-CTFE, polycarbonate, polypropylene, nylon and glass fiber Validated to HIMA Standards Micron ratings from .03 to 30 All sealing configurations available Autoclavable and steam sterilizable Custom configurations, packaging and labeling available on request