# 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
# AP2000 High Recovery vials feature a tapered bottom for maximum sample extraction
# Glastic vials have a glass insert fixed inside of a plastic vial
# Deactivated vials are available with either NSC Silanization or Kimshield™ pretreatment
