compatible with Agilent OEM number: 12-2073; 13-3615 The rotating basket assembly is individually serialized with the serial number laser imprinted on the shaft for record keeping purposes. These assemblies meet USP specifications requiring three retention spring clips for Apparatus 1 or o-ring push-on style. Shafts are standard electropolished, but also avaialble with different types of coatings.Meer tonenMinder tonen