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  1. Standard Glass Tubing

  2. PYREX® Standard Wall Glass Tubing - Thomas Scientific

  3. Glass Tubing | Fisher Scientific

  4. Borosilicate Glass Tubing, 4 mm OD x 0.8 mm Wall x 5' L; 380 …

  5. DURAN® borosilicate glass tubing | SCHOTT

  6. 4mm Tubing - McMaster-Carr

  7. Glass Tubing - McMaster-Carr

  8. Standard Tubing 4mm - 9.53mm - Pegasus Glass

  9. Lab Glass Tubing, EPR Tubes - Thomas Scientific

  10. Borosilicate Glass Tubing: 4mm(OD) x 24 Inches: Pk 42/ONE Pound