Test Tubes - Disposal Screw thread, 20ml, 16x150.

• Tubes are suitable for tissue culture work and general bacteriological use
• Made from borosilicate glass having expansion 5.1 (1st Hydrolytic Glass), chemically highly resistant
• Trays are shrink wrapped to preserve cleanliness
• Supplied without caps
• Autoclavable at 121 C (glass only)