National Scientific 12x32mm Vials, Wide Opening, Crimp Top

# 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

# Target ColorBand™ crimp top vials feature color-coded graduated write-on patch

# 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 Caps