Wide opening vials are easier to fill
# Fit most autosamplers that accommodate the 12x32mm vial format
# Superior quality 33 expansion borosilicate clear glass Type 1, Class A or 51A amber glass
# Uniformly flat bottom for security with inserts
# I-D vials feature write-on patch with graduations at 0.5, 1.0 and 1.5mL
# Vials with an 11mm crimp finish require aluminum seal closures
# Crimp/snap vials can be used with either 11mm aluminum seals or Snap-It Snap Cap
