We are a Laboratory Distributer and bought to many syringe filters.  Our loss is your gain :)

SYRINGE FILTER, POLYETHERSULFONE, 25MM 0.22UM PACK/100

 Syringe filters are purpose-built with features designed to bring the highest levels of performance and purity to your research. 

 PES(Polyethersulfone) - low affinity and extractable with substantially faster flow rates than PVDF; suitable for pre-filtration and filtration of buffers and culture media