With reservoir barrel allowing up to 200 ml of liquid to be filtered by connection to a suitable direct pressure source. Can also be used for filtering larger volumes in connection with a 5 l pressurising container. Complete with silicone O-rings. For sterile filtration of tissue cultures, ultra-filtration of buffer solutions, cell count solutions and for pressing soil samples. Sterilisation by autoclaving (max. 134 °C), or dry heat (max. 180 °C).