Sterile Syringe Filters

Sterile ﬁltration is one of the various sterilization methods for liquids

Bacterial Challenge: LRV>7（ATCC 19146, ASTM bacterial challenge test）for each lot of 0.2 µm and 0.45 µm products
Bacterial Endotoxin: < 0.25 EU/mL or < 2.15EU/device (LAL) for each lot of devices
Biosafety: Meets USP<88>Biological Reactivity test for Class VI Plastics
Each syringe ﬁlter lot QC tested for: Burst Pressure, BP, Flow rate
Each lot of ﬁlter funnels are tested for seal and membrane integrity

PES

Inside the syringe filter polyethersulfone is used as membrane material. The hydrophilic PES membrane is suitable for aqueous and slightly organic liquids. This filter shows a good stability against acids and bases as well as a very low adsorption for pharmaceuticals and proteins.

P/N	Membrane	Pore Size	Outer Diameter	Content pcs/pack
380-00305	Sterile PES Syringe Filter	0.1 µm	13 mm	50
380-00306	Sterile PES Syringe Filter	0.22 µm	13 mm	50
380-00307	Sterile PES Syringe Filter	0.45 µm	13 mm	50
380-00308	Sterile PES Syringe Filter	0.1 µm	25 mm	50
380-00309	Sterile PES Syringe Filter	0.22 µm	25 mm	50
380-00310	Sterile PES Syringe Filter	0.45 µm	33 mm	50
380-00315	Sterile PES Syringe Filter	0.1 µm	33 mm	50
380-00316	Sterile PES Syringe Filter	0.22 µm	33 mm	50
380-00317	Sterile PES Syringe Filter	0.45 µm	33 mm	50

PES+GF Double Filter

Combi syringe filters are recommended for solutions with a high load of particulate matter or for highly viscous solutions. These products combine a coarse glass fiber prefilter and a small-pore hydrophilic PES polyethersulfone) membrane as main filter. It is suitable for aqueous and slightly organic liquids.

P/N	Membrane	Pore Size	Outer Diameter	Content pcs/pack
380-00318	Sterile PES+GF double layer Syringe Filter	0.22 µm	33 mm	50
380-00319	Sterile PES+GF double layer Syringe Filter	0.45 µm	33 mm	50

CA

The hydrophilic CA membrane (Cellulose acetate) is suitable for filtration of water-soluble oligomers and polymers, especially suited for biological macromolecules with very high shape stability in aqueous solutions. Extremely low binding capacity for proteins

P/N	Membrane	Pore Size	Outer Diameter	Content pcs/pack
380-00327	Sterile CA Syringe Filter	0.22 µm	33 mm	50
380-00328	Sterile CA Syringe Filter	0.45 µm	33 mm	50

CA+GF Double Filter

Combi syringe filters are recommended for solutions with a high load of particulate matter or for highly viscous solutions. These products combine a coarse glass fiber prefilter and a small-pore hydrophilic CA membrane (Cellulose acetate) membrane as main filter. It is suitable for filtration of aqueous solutions

P/N	Membrane	Pore Size	Outer Diameter	Content pcs/pack
380-00329	Sterile CA+GF double layer Syringe Filter	0.22 µm	33 mm	50
380-00330	Sterile CA+GF double layer Syringe Filter	0.45 µm	33 mm	50

PVDF

The hydrophilic PVDF membrane is suitable for filtration of 100 % aqueous samples, water-soluble oligomers and polymers like proteins. Extremely low binding capacity for proteins.

P/N	Membrane	Pore Size	Outer Diameter	Content pcs/pack
380-00335	Sterile PVDF Syringe Filter	0.22 µm	33 mm	50
380-00336	Sterile PVDF Syringe Filter	0.45 µm	33 mm	50

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