Standard-opening, 1.5mL, 12 × 32mm vials for use in FTC regulation Volume 32 #147 and Health Canada Official Method T-115 to determine the amount of tar, nicotine, and carbon monoxide in tobacco smoke Nitrogen purged to provide true total particulate matter readings free of contaminating water/water vapor from vial surfaces Includes aluminum seal closures with PTFE/rubber septa Available in Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass