250uL glass insert pfeet,Tray,100/pk

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

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

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