250µL Glass Conical Insert, w/Glass Flange, pk/100 (min.order 10pk)

Silanized - 250µL Glass Big Mouth Insert, no spring, pk/100 (min.order 10pk)

250µL Black PP Big Mouth Conical Insert, no spring, pk/100 (min. order 10pk)

50µL Glass Conical Insert, w/spring, pk/100 (min. order 10pk)