With large capacity barrel allowing up to 2 l of liquid to be filtered by connection to a suitable direct pressure source. For preparing sludge or separating suspended matter from waste water samples or sterile filtration of liquids that are difficult to filter, e. g. serum. The holder is supplied complete with a back pressure screen. Sterilisation by autoclaving (max. 134 °C) or dry heat (max. 180 °C). With large capacity barrel allowing up to 2 l of liquid to be filtered by connection to a suitable direct pressure source. For preparing sludge or separating suspended matter from waste water samples or sterile filtration of liquids that are difficult to filter, e. g. serum. The holder is supplied complete with a back pressure screen. Sterilisation by autoclaving (max. 134 °C) or dry heat (max. 180 °C).