Whatman Polycap SPF capsule filters from Cytiva are optimized for prefiltration applications. They are typically used upstream of a Polycap AS or Polycap TC capsule during enzyme, nutrient media or buffer filtration. Three layers of filter media: fine glass microfiber (GMF), ultrafine GMF, and polyethersulfone (PES) Suitable for hard-to-filter solutions, particularly sera and protein solutions Can be sterilized by autoclaving Manufactured according to ISO9001:2008 QMS standards Well suited for serum, viral suspension, nutrient, biological, immunological, enzyme, and buffer filtration Whatman Polycap capsule filters are available in a variety of formats to meet your filtration needs. Here you can find the certificate: https://www.cytivalifesciences.com/en/de/support/quality/certificatesMeer tonenMinder tonen