Costar pipet pipet Pipette Pipettor multichannel 12 channel 200 ul 200ul 20 ejx

used working good Costar variable volume (20--200 ul) multichannel (12-channel) with tips ejector. The pipettors sold have been used only with non-radioactive and non-biohazardous materials. Also. the pipettor 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 gar2ndshfedxbx