Pyrex^® test tubes, beaded rim

Pyrex^® test tubes, beaded rim, capacity 20 mL

Pyrex^® test tubes, beaded rim, capacity 14 mL

Pyrex^® test tubes, beaded rim, capacity 3 mL

Pyrex^® test tubes, beaded rim, capacity 5 mL

Pyrex^® test tubes, beaded rim, capacity 9 mL

Pyrex^® test tubes, beaded rim, capacity 70 mL

Pyrex^® test tubes, beaded rim, capacity 55 mL

Pyrex^® test tubes, beaded rim, capacity 27 mL

Pyrex^® test tubes, beaded rim, capacity 34 mL