What is the part number for O-rings for QIAsymphony SP and AS instruments? How often should the O-rings be replaced?

Part number for O-rings for pipetting channels of QIAsymphony SP and AS instruments is 9019168. There are 32 O-rings included in one bag.

You will also require the tool to change the O-rings. Part number for this tool is: 9019164. This tool set includes one bag of 32 O-rings.

We recommend replacing O-rings on all pipetting channels, once a month.