Clear Glass Vial 4 ml with Black Phenolic Cap

Clear Glass Vial 4 ml with Black Phenolic Cap, 4 ml vial also known as a Sample Vial, these Clear Screw Top Glass Vials or glass bottles are manufactured from Wheaton 33 low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements. When purchased in full case quantities, vials are packed with caps attached in a convenient corrugated lab file.