The filter holders are high- precisely manufactured by means of CNC-machines. They are made of POM and are absolutely inert. The removable support is made of V4A steel (1.4404) and is likewise absolutely inert. The tightness of each filter holder is checked. Filter holders for filters with diameters of 47mm respectively 50mm are available. They can be inserted also into older SEQ samplers.
Ingenieurbüro GmbH