It is a robust stainless steel filtration unit with a 2 litre tank, designed for use with 142 mm diameter membrane filters. With a large capacity barrel allowing up to 2 litres of liquid to be filtered by connection to a suitable direct pressure source, this unit is ideal for preparing sludge, separating suspended matter from waste water samples, or sterile filtration of liquids that are difficult to filter, such as serum. Supplied complete with a back pressure screen, this unit delivers reliable and efficient filtration performance in demanding laboratory environments.