VWR pipette pipet variable volume 2- 20ul tip ejector single channel

Used working VWR pipette variable volume single channel with tip ejector. 2- 20ul I have measured the aliquotes on mettler scale and found all this pipets in a good working order. If you are not satisfied. you can return the product within 14 days for a full refund excluding shipping expenses. Lot gar2ndredbx