replacement hoses suitable for AOX sample preparation systems of the series APU 28/1 and APU 28 connect replacement hoses suitable for AOX sample preparation systems of the series APU 28/1 and APU 28 connect
replacement O-rings for AOX column holders (internal O-rings) suitabe for Duplex column holders type 2 dimension: 2.7 x 1.8 mm replacement O-rings for AOX column holders (internal O-rings) suitabe for Duplex column holders type 2 dimension: 2.7 x 1.8 mm