4.0 mL Amber Screw Top Vial (100/pk)

Ideal for your most demanding sampling needs. Recommended for pH-sensitive work and other highly critical applications. 4 mL, 15x45 mm amber screw-top vial, 13-425 thread. Type 1 borosilicate glass. Fits WISP (registered) autosamplers. Amber is used for light-sensitive materials. Packaged: 7-1/8 in. x 5-3/8 in. x 1-1/2 in. Cardboard box; Weight: 567 g.