Item # Description Case Pack
  4025P-631 250µL Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, No Spring 1000 pieces View Product
  4025P-631BK 250µL Black Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, No Spring 1000 pieces View Product
  4025PBS-631 250µL Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, w/Bottom Spring 1000 pieces View Product
  425PBS-631BK 250µL Black Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, w/Bottom Spring 1000 pieces View Product

Due to the conical design of the snap plug, limited volume inserts used in the shell vial stay centered and straight allowing for easy sample evacuation.  Limited volume inserts are available silanized or precleaned.