Our certified vials, cap and septa products eliminate "fit" and septa contamination concerns associated with other brands. By taking these extra manufacturing and testing steps, we can ensurre Product # Description Add to Cart 29301-U Certified Snap Ring CD vial kit with cap/septa, unassembled volume 1.5 mL, clear glass vial, snap top, PTFE septa (0.010" thick), pkg of 100 ea