Cytiva, FTKNNXZ, Pall™ N66 Posidyne™ filter disc, 47 mm, NNXZ grade, 0.45 μm

N66 Posidyne™ filter cartridges and capsules, part of our Pall filtration portfolio, incorporate a positively charge-modified Nylon 6,6 membrane that provides enhanced retention of fine particles smaller than the membrane’s rating. N66 Posidyne filters are available in particulate and bioreduction grades and in sterilizing-grades (on separate page).
Inherently water wettable
Resin and surfactant-free
Positive Zeta potential
Enhanced retention of negatively charged particles smaller than filter rating
Removes endotoxins from water
High protein recovery from sera and most protein solutions
Low filter extractables
100% integrity-tested
Individually serialized
Made without intentionally using PFAS
Microbial and particulate removal ratings
There are eight membrane grades available that achieve different microbial or particulate removal ratings.
Operating range
The positive charge is functional over a pH range of 3 to 10 in aqueous solutions.
Quality and Bio-Safety
Manufactured for use in conformance with cGMP
ISO 9000 Certified Quality System
Certificate of Test provided
FDA-listed materials per 21 CFR
Biological Tests
Meets USP Biological Reactivity test, in vivo, for Class VI-121 °C Plastics
Effluent Quality Tests (AB Style)*
Meets cleanliness per USP Particulates in Injectables
Non-fiber-releasing
Non-Pyrogenic per USP
Meets total organic carbon and water conductivity per USP Purified Water, pH per USP Sterile Purified Water
*Per lot sample soak or rinse-up flush aliquots.