"Janitorial Supplies"

Sterile conical bottom centrifuge tubes.

Leak free centrifuge tubes with conical bottoms.

High-quality microcentrifuge tubes for safer use in molecular biology and other biochemical applications.

Conical bottom, polypropylene centrifuge tubes are supplied with cap.

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

Pre-cleaned borosilicate glass test tubes without rims.

These 15 ml PYREX® culture tubes are supplied with deep-form 15-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving.

Disposable borosilicate glass culture tube with screw cap finish.

This polypropylene tubes include blue HDPE leak-proof screw caps. The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a pressure of >700 mm Hg.

Pack of 50 racked polypropylene centrifuge tubes with conical bottom. Leak-proof, blue HDPE screw caps are included.

Sterilized self standing centrifuge tubes.

Tubes have a marking spot and reference mark for orientation during use and a threaded neck to accept screw cap.

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.

Graduated borosilicate tube for measuring gas.