Item # Description Case Pack
  401PTS-530 100µL Polypropylene Conical Limited Volume Insert, Precision-Formed Interior, w/Patented Top Spring™ 1000 pieces View Product
  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 1090 pieces View Product
  4025PBS-631 250µL Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, with Bottom Spring 1000 pieces View Product
  425PBS-631BK 250µL Black Polypropylene Big Mouth Conical Limited Volume Insert, Precision-Formed Interior, with Bottom Spring 1000 pieces View Product