1 Dram (4 ml) Green Glass Screw Top Vials
Also known as Sample Vials, these Green Glass Screw Top Vials come packed and sold in shrink wrapped trays to ensure vials have no outside contaminants. Constructed of Type I Borosilicate Glass.
Black Phenolic PolyCone Lined Caps Included
Phenolic lids are chemically inert, have a high heat tolerance and are commonly used in laboratories for their durability and safety. This liner virtually eliminates leakage, evaporation, contamination, binding and backing off.