Accessories for Screw Thread Glass Test Tubes 

The Screw Thread Borosilicate Glass Test Tubes are suitable for tissue culture work and general bacteriological use. Supplied without caps · Manufactured from Borosilicate Glass

Reusable test tubes suitable for various laboratory applications; available in various volume capacities, materials, and configurations including threaded closure and beaded rim; may have graduations or label markings; may include tube caps.