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

250µL Glass Big Mouth Conical LVI Insert, w/Glass Flang, pk/100 (min.order 10pk)

100µL Glass Conical Insert, w/Top Spring, pk/100 (min. order 10pk)

Silanized - 200µL Glass Conical Insert, no spring, pk/100 (min.order 10pk)