RephiQuik disposable 32mm polyethersulfone (PES) sterile syringe filters are mainly used in the filtration of tissue culture media/additives, sterilizing buffers, sterilizing biological solutions or for other life science sample preparation applications. PES membrane features a faster flow rate and higher throughput. The filters are EO sterilized and individually packaged in a standard 100-unit pack. Catalog No.: RJP3222SH