Sartorius Proline plus pipet Pipette 20- 200 Biohit variable volume

used Sartorius /Biohit Proline plus pipet variable volume 20-200ul. with tips ejector. The pipet works good. The pipettors sold have been used only with non-radioactive and non-biohazardous materials. Also. all pipettors have been tested to work properly- I have measured the aliquottes on a Mettler scale. If you are not satisfied. you can return the product within 30 days for a full refund excluding shipping expences.Lot con5/5