VWR Pipettor pipet multichannel 50 5-50 ul 12 channel Ergonomic High-performance

used working VWR Pipettor pipet multichannel 5-50 ul channel Ergonomic Hugh-performance 12 channel. 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 expenses. Lot con6/5bluebx