Evoqua VH Series validated cartridge filters are constructed of a pleated polyethersulphone membrane over a non-woven polyester support layer. Cartridges are 100% tested in manufacturing to ensure absolute bacteria retention.
VH Series Features:
Materials conform to the relevant requirements of 21CFR Part 177, current USP Plastics Class VI-121°C and ISO10993 equivalents
VH series sterilizing grade 0.2 micron filters are validated by bacterial challenge testing to methods specified in ASTM F838-83 (107 organisms per cm2 minimum) with typical in-house challenge levels being 1011 per 10 inch module for Brevundiamonas diminuta
Contain no surfactants or coatings to interfere with your application and the thermo-plastic construction process minimizes extractables