The basic function of Topscien will ever ideas and advanced design and technology moving fluid togethe,make its have high quality appearance,for both the security of moving fluid,comfort and efficiency. ● Unnecessary maintenance ● Chemical resistance ● Human engineering design ● Lightweight and Structure strong ● Lightweight and dexterous for operation ● Awide range volume for liquid controlling ● Filling:Squeeze the suction bellows.It allows asspiaration up to 50 ml with one compression.The fill rate is continuously variable with the pipetting lever ● Delivery:To discharge the liquid,simply press down the lever.The valve systtem is designed so that flow rate does not affect accuracy ● Blow-out fuction:When using blow-out pipettes,Press the convenient blow-out bulb once the meniscus has come to rest in the jet.Pipetting has never benn easier