"United Scientific Supplies"

Pre-cleaned borosilicate glass test tubes without rims.

Economical plastic test tubes.

Round-bottom polypropylene test tubes.

Pre-cleaned borosilicate glass test tubes with rims. Tubes can be used for hot or cold applications, are reusable, and can be autoclaved.

Internal thread provides the optimal sealing for storage at ultralow temperatures.

Sterilized polystyrene transport tubes with polyethylene screw cap.