replacement needle for sample aspiration assembled, ready for use with ferrule and screw joint suitable for sample preparation systems type: APU 28, APU 28 S, APU 28 SPE, APU 28 flexi, APU 28 flexi S, APU 28 flexi SPE, APU 28 connect S and APU 28 connect SPE replacement needle for sample aspiration assembled, ready for use with ferrule and screw joint suitable for sample preparation systems type: APU 28, APU 28 S, APU 28 SPE, APU 28 flexi, APU 28 flexi S, APU 28 flexi SPE, APU 28 connect S and APU 28 connect SPE