PROCLEAR PP+ Polypropylene Pharmaceutical Prefilters

    Product Description

    PROCLEAR PP+ polypropylene pharmaceutical prefilters provide robust, high-capacity clarification of demanding biopharmaceutical and pharmaceutical liquid streams. These pleated depth filter cartridges and MURUS capsules use meltblown polypropylene media to deliver reliable particle retention and long service life in critical prefiltration steps.

    The PROCLEAR PP+ design combines optimized depth construction with a pleated geometry to maximize effective filtration area and dirt-holding capacity. This allows high throughput and low pressure drop, reducing filter changeout frequency and helping protect downstream sterilizing-grade membranes in biological feed solutions, buffers, and process intermediates. All wetted components are polypropylene, providing broad chemical compatibility and low extractables compared to glass fiber or cellulosic media.

    PROCLEAR PP+ filters are available in 0.5, 0.6, and 1.0 micron ratings and standard 5–40 inch sanitary-style cartridges, as well as scalable MURUS capsule formats for single-use or small-scale applications. The range meets FDA 21 CFR 177 and USP Class VI plastics requirements and conforms to USP <643> and <645> limits after an initial flush, supporting use in regulated pharmaceutical and bioprocess environments. Hot-water and steam sterilization, plus gamma-irradiation options for capsules, provide flexible integration into existing CIP/SIP and single-use processes.

    Key Features


    • Meltblown polypropylene depth media for excellent retention and high dirt-holding capacity
    • Pleated construction for high effective area and low pressure drop
    • All-polypropylene wetted parts for broad chemical compatibility and low extractables
    • Designed for pharmaceutical prefiltration and biological feed clarification
    • Available in 0.5, 0.6, and 1.0 micron ratings for fine clarification and protection of final filters
    • Standard 5–40 inch cartridge lengths with 222 and 226 sanitary-style end connections
    • MURUS disposable capsules available in multiple Tri-Clamp and hose barb connections
    • Hot-water and steam-in-place compatible; MURUS capsules can be gamma-irradiated
    • Meets FDA 21 CFR 177, USP Class VI, and ISO 10993 material requirements
    • TOC and conductivity performance suitable for purified water after initial flush

    Typical Applications


    Suitable for a wide range of pharmaceutical and bioprocess clarification duties, including:

    • Prefiltration of biological feed streams and upstream intermediates
    • Protection of sterilizing-grade liquid filters in biopharmaceutical production
    • Clarification of buffers, process water, and aqueous solutions compatible with polypropylene
    • Vaccine, plasma fractionation, and recombinant protein process streams
    • Prefiltration in single-use and hybrid bioprocess systems using MURUS capsules

    Note: PROCLEAR and DEMICAP are registered trademarks of Parker Hannifin Corporation