Sartorius polyamide is exceptionally pure compared with other common hydrophilic nylon filters. Competitor nylon membranes are using raw materials which are 

Minisart® SRP25 Syringe Filter 17575----------S, 0.2 µm hydrophobic PTFE case for the majority of sample preparation steps prior to HPLC or GC analysis.

Reliable Sartorius Syringe Filters — Over 120 different syringe filter from the sample prior to HPLC | UHPLC | ICP-MS or other chromatographic analysis, ...

Minisart® SRP15 Syringe Filter 17558----------K, 0.2 µm hydrophobic PTFE case for the majority of sample preparation steps prior to HPLC or GC analysis.

The purpose of using syringe filters for sample prepara- HPLC certified. HPLC Procedure ... Minisart® RC (Regenerated Cellulose + PP). 25 mm. 0.2 μm.

Minisart ®RC with hydrophilic regenerated cellulose (RC) is optimized for aqueous liquids and solvents with a pH of 3 - 14 and is stable against DMSO. Type.

Sartorius offers Minisart® syringe filters for a wide range of applications. 0.2 μm. 25 mm for up to 100 ml. All Aqueous Solutions. Tissue Culture Media.

They are available either with an asymmetric 0.22 or 0.45 µm polyethersulfone membrane that provides the fastest flow rates and ensures lowest protein binding