South Africa Round Bottom Headspace Vials Distributor. Material: USP Type 1, Class A, 33 Borosilicate Glass Volume: 2ml (standard volume) 1.5ml(actual volume) Application: HPLC and GC system Dimensions: 11.6 x 32mm. south africa HPLC glass vials 100pcs-Aijiren Vials for HPLC.