PYREX, 99449-20X, Disposable R
Disposable culture tube have a round bottom, GPI 13-415 threads and come without a marking spot
These tube hold approximately 30 mL, are made from borosilicate glass, bulk-packed and are sold without caps.
They are designed for both tissue culture and general bacteriological work
Threaded Culture Tube w/o Marking Spot or Cap , 20 x 150 mm