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Achieve a high level of efficiency in your membrane filtration process

You can have excellent membrane filtration performance and fast flow rates, all while achieving high filtration capacity and robustness.

Btec photoshoot 3M™ Lifeassure lab worker connecting tube - 33

Where multiple process needs meet a single solution

Aligning your needs with the best solution can appear challenging, and your sterilising and bioburden filtration solutions should meet them all. Our diverse range of 3M™ LifeASSURE™ Membrane Filters are sterile filtration solutions with a variety of membrane media, micron ratings, and sizes to fit your process scale and particular bioburden challenges. 

To achieve the low pressure drop, long service life, and low overall filtration costs you seek, you can count on our Advanced Pleat Technology (APT) used in several LifeASSURE filter series. APT maximises the useful surface area of the filter while maintaining open flow paths between pleats to provide high throughput and fast flow rates. 

Whatever your needs for sterilising or bioburden filtration, there is a LifeASSURE filter solution that delivers. 

3M™ LifeASSURE™ Filters
SeriesPDA seriesPNA seriesPLA seriesPFS series
Material descriptionPolyethersulfone (PES) Polyethersulfone (PES) Nylon 6,6 Polytetrafluoroethylene (PTFE) 
Water affinityHydrophilic Hydrophilic Hydrophilic Hydrophobic
Membrane layersDouble layer membrane filterSingle layer membrane filterSingle layer with multi-zone membrane filterSingle layer membrane filter
Advanced pleat technologyYesYesYesRadial pleat
RatingSterilising gradeBioburden rated Bioburden rated Sterilising grade
Suggested applicationsBuffer, media feed streams, serum and blood fractions, vaccines, biologics, high purity deionised water and water for injection systems, pharmaceutical chemicals Buffer, media feed streams, serum and blood fractions, vaccines, biologics, high purity deionised water and water for injection systems, pharmaceutical chemicals Prefiltration and bioburden reduction, protection of sterilising grade membrane in pharmaceutical, biological and bioprocess industries Organic solvents, air, gases 
Available pore sizes (µm)0.10, 0.20 0.20, 0.45 0.20, 0.45, 0.65, 0.80 0.20 
Learn moreExplore 3M™ LifeASSURE™ PDA Series Filter Cartridges

Explore 3M™ LifeASSURE™ PDA Series Filter Capsules
Explore 3M™ LifeASSURE™ PNA Series Filter CartridgesExplore 3M™ LifeASSURE™ PLA Series Filter Cartridges

Explore 3M™ LifeASSURE™ PLA Series Filter Capsules
Explore 3M™ LifeASSURE™ PFS Series Filter Cartridges

Explore 3M™ LifeASSURE™ PFS Series Filter Capsules

Robust sterile filtration with 3M™ LifeASSURE™ PDA Series Filters

Achieve reliable microorganism removal and protect your process from fouling caused by sub-micron particles. The LifeASSURE PDA series filters feature APT and a polyethersulfone (PES) media for high membrane mechanical strength and creep resistance. You get stability across a wide range of fluid pH, low extractables, and the ability to withstand gamma sterilisation methods. 

For high contaminant capacity and fast flow rates in your membrane sterilisation step, LifeASSURE PDA series filters use an innovative two-layer PES membrane design for multiple filtration zones. The highly asymmetric upstream layer provides prefiltration for the asymmetric downstream layer that contains a centrally located retention zone. Together, the two layers deliver the performance of a high throughput gradient membrane structure. 

LifeASSURE PDA series filters are available in single-use, standard, or high-area cartridges as well as large or small capsules. Designed to comply with relevant regulations, the 0.2 µm absolute pore size filters provide standard sterilising grade filtration while the 0.1 µm absolute pore size helps control mycoplasma contamination. 

LifeASSURE™ PDA020 Capsule (Gamma), low res photo

School of Purification: Start learning today

Developed by our global experts, passionate about innovative approaches to biopharmaceutical separation and purification, School of Purification provides resources to help you and your team get up to speed quickly. These free webinars and on-demand learning resources cover overcoming bottlenecks, optimising efficiency, current trends, and future possibilities.

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