20 mm (3/4") Tubes
Our crystal clear 20 mm (3/4") test tubes have a threaded top and a rounded bottom. They are perfect for storing laboratory cultures, cigars, vanilla beans, dried peppers, pre-roll cannabis, and so much more!
These high-quality Type 1 borosilicate glass tubes are heat resistant and feature a thick rim and uniform thickness.
Our prices include 18-415 screw caps which are available with F-217 foam liners for standard use or 14B rubber liners for harsh materials and autoclaving (steam sterilization).
Our crystal clear 20 mm (3/4") test tubes have a threaded top and a rounded bottom. They are perfect for storing laboratory cultures, cigars, vanilla beans, dried peppers, pre-roll cannabis, and so much more!
These high-quality Type 1 borosilicate glass tubes are heat resistant and feature a thick rim and uniform thickness.
Our prices include 18-415 screw caps which are available with F-217 foam liners for standard use or 14B rubber liners for harsh materials and autoclaving (steam sterilization).