Rainin Pipet plus variable volume pipette R200 R100 R20 set 4 R1000 holder

used set of 4 Rainin Pipet Plus variable volumes pipets with tip ejectors. model R1000 (100-1000ul). R 200 (20-200ul). R20 (2-20 ul) and R100 (10-100 ul) with four pipet holders. 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 14 days for a full refund excluding shipping expenses. Lot gar3rdshbot