VWR Pipettor pipet multichannel 50ul 5-50 ul 8 standard tips

used working variable volume VWR pipet multichannel 50ul 5-50 ul 8 channel. accepts standard tips. with tip ejector,.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. Some pipets available separately- please inquire. If you are not satisfied. you can return the product within 30 days for a full refund excluding shipping expenses. Lot con1/2ndshRainmulti