4″ (4 Inch) Length Glass Test Tubes
Glass Test Tube also is known as a culture tube or sample tube of lab glassware. Test tube consisting of a finger-like length of glass tubing, open at the top and closed at the bottom side. This test tube is usable in all type of laboratory link chemistry, biology or bio-sciences, clinical medicine, textile lab, etc. It also uses as flower vases, glassware for certain weak shots, or containers of spices, raising queen ants during first months of development.