USA Free sample 2ml hplc 9-425 Glass vial with patch 1.5ml 9mm Short Thread Autosampler Vials ND9 are made of clear Type 1, Class A Borosilicate Glass with a writable label for sample identification. Material: USP Type 1, Class A, 33 Borosilicate Glass Volume: 2ml (standard volume) 1.5ml(actual volume) Application: HPLC and GC system