M1000 100-1000ul 500 ±0.80% ±0.20% 5 1000 micropipette original Joanlab, ada certificate original 1.Light weight, ergonomic design. 2.Digita display clearly reads volume setting. 3.Wide measurement rang, 0.1ul to 10000ul. 4.With new material, it can be fully autoclavable. 5.Ceramic piston, high corrosion resistance. 6.PTFE sealing ring, more convenient to use.