Test tubes, Boro 3.3, 17 mm x 200 mm, graduated, 20 ml : 0.2 ml, with spout, with PP stopper, NS 14/23

Test tubes, Boro 3.3, 17 mm x 200 mm, graduated, 20 ml : 0.2 ml, with spout, with PP stopper, NS 14/23 is available to buy in increments of 10