SUPELCO Discovery C18 Supelguard 2cm x 4.0mm 5 μm Kit 505129
Condition: The item in the package is new in the plastic. I don't know if it's missing any pieces, but there is a space for one (see pics). It looks to be an Integrated Guard Column Assembly. See pictures for exact part/condition. Comes with the instruction sheet.
Other shipping options available.