20 ml. Clear Head Space Screw Top Vial, Flat Bottom, 100/pack

18 mm Screw Thread Headspace Vials use a 1.25 mm average wall thickness, which offers more reliability when internal pressures build. They are inspected using the latest camera gauging equipme20 ml. Clear Head Space Screw Top Vial, Flat Bottom, 100/packnsure the tightest dimensional tolerances are maintained during the manufacturing process.