Pyrex^® glass test tubes without rim, medium wall

Pyrex^® glass test tubes without rim, medium wall, O.D. × L 10 mm × 75 mm, wall thickness 1.0 mm

Pyrex^® glass test tubes without rim, medium wall, O.D. × L 16 mm × 100 mm, wall thickness 1.2 mm

Pyrex^® glass test tubes without rim, medium wall, O.D. × L 16 mm × 150 mm, wall thickness 1.2 mm

Pyrex^® glass test tubes without rim, medium wall, O.D. × L 16 mm × 125 mm, wall thickness 1.2 mm

Pyrex^® glass test tubes without rim, medium wall, O.D. × L 18 mm × 150 mm, wall thickness 1.2 mm