Product code: 1 lb Sample Pack - Classic Stacking Tube - Colored Borosilicate Glass，-ghj cheapest
Contains 5 cheapest or more of our classic color combinations. Most tubes are available in an OD size range of 15mm - 30mm. sdert.
Contains 5 cheapest or more of our classic color combinations. Most tubes are available in an OD size range of 15mm - 30mm. sdert.