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A Broad Selection of Clarification and Prefilters


Millipore quality filters are available with a choice of manifold connections, lengths, and elastomers to suit the demands of your specific process application and hardware. From small-scale OptiScale devices to Opticap capsules, and a range of cartridge and stacked filters, we have not only the right media for your application we have the right size and configuration too.
Milligard pleated cellulosic multimedia filters offer the finest prefiltration levels available, providing unsurpassed protection of the final sterilizing filter from premature plugging. Ideal for cell culture media, mammalian cell culture, buffer preparation, serum, SVP, LVP and plasma protein applications.

Polysep II pleated multimedia filters combine borosilicate glass fiber with mixed esters of cellulose providing much higher retention efficiency for more critical degrees of prefiltration. Ideal for cell culture media, serum, buffer preparation, LVP and ophthalmic applications.

Lifegard pleated prefilters offer increased adsorptive capacities with borosilicate glass microfiber media, an excellent solution for deformable particle retention. Ideal for plasma protein, serum and vaccine production.

Clarigard high performance polypropylene depth filters are comprised of fine diameter polypropylene fibers within an optimized graded density structure. The resulting cartridge filter provides superior retention of particulate and bioburden as well as enhanced throughput capacity. Ideal for facilities, beverage, media, and bulk chemical filtration applications.

Durapore 0.45 um filters unique combination of PVDF membrane with a cellulose ester prefilter layer offers superior throughput with solutions containing hard or colloidal particles. Designed to remove particles and microorganisms from aqueous streams Durapore 0.45 um filters are best suited for LVP, ophthalmic solutions, serum, media, vaccine production and diagnostic prefiltration applications that require broad chemical compatibility.

Durapore 0.65 um filters provide high flow rates, multiple steamability and low gravimetric extractables. Designed for particle and microorganism removal for aqueous streams these filters are best suited for WFI filtration, tissue culture media prefiltration and protection of final filters.

Polygard-CN polypropylene filters provide high retention efficiency, high flow rates, and high dirt-holding capacity with a melt-blown medium fabricated in a pleated format. Best suited for fine clarification applications such as; facilities, beverage, and bulk chemical filtration that require broad chemical compatibility.

Polygard-CR polypropylene depth filters offer moderately high retention efficiency, high flow rates, and high dirt-holding capacity by virtue of a graded density of concentrically wrapped media. Best suited for course clarification applications such as; facilities, beverage, and bulk chemical filtration that require broad chemical compatibility.

Polygard-CT polypropylene depth filters provides moderate retention efficiency, high flow rates, and high dirt holding capacity by virtue of its unique density of concentrically wrapped media. Best suited for facilities water and bulk chemical clarification applications.

Millistak+ DE charged stacked depth filters are composed of a broad range of controlled porosity graded density depth media housed in chemically stable polypropylene provides increased contaminant holding. Ideal for clarification and prefiltration of bioreactor fluids, serum, media, plasma protein, and beverages.
Millistak+ HC stacked depth filters were specifically designed for mammalian cell fermentation processes. A unique combination of charged media and cellulosic membrane compress multiple steps into one high-performance solution that saves time and resources. Millistak+ CE stacked filters are composed of a blend of cellulose fibers suitable for course filtration in the 1 to 30 micron range. Ideal for clarification and prefiltration of bioreactor fluids, serum, media, plasma protein, and beverages where high concentrations of colloidal contamination dictates the need for high surface area depth media with a positive charge.

Millistak+ A activated carbon impregnated media charged stacked filters were designed for decolorization and removal of trace containments. This filter offers a clean, convenient alternative to conventional carbon treatment stirring tanks.