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These practical test tubes are made of polyetylene resistant to all chemicals and with a very good leakproof , with these containers you can collect easily opening the tube with one hand only and reclosing it in the same way as the caps are very soft and do not need much efforts to be closed
These tubes are also graduated useful if you need to use them with fluids
Also very usefull to ship alive larves and beetles just making some holes on the soft cap
Available in small lots 5x 10x 25x but on demand we also sell wholesale MADE IN ITALY