Merck HPLC Guard Column Kit ZIC-HILIC SeQuant, 5μm, 20×2.1mm PEEK metal-free, 3 guard columns, 1 coupler

You can download the safety data sheet here: https://www.merckmillipore.com/DE/en/documents/Z.qb.qB.tecAAAFDDJUsznLq,nav#dLubqBFYUAAAFEqHpWba4k