GSC International RS-4-1 Rubber Stoppers, Size 4, Drilled 1-Hole (1-Pound Pack),Black;
GSC International RS-4-1 Rubber Stoppers, Size 4, Drilled 1-Hole (1-Pound Pack),Black

Black #4-1 Hole. Top Diameter 26 mm, Bottom Diameter 20 mm and Length 25 mm. Approx 28 per 1lb bag.

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Black #4-1 Hole. Top Diameter 26 mm, Bottom Diameter 20 mm and Length 25 mm. Approx 28 per 1lb bag.

  • Rubber test-tube stopper
  • Size #4
  • One hole
  • Black
  • Includes 1 lb. of stoppers
  • Rubber test-tube stopper
  • Size #4
  • One hole
  • Black
  • Includes 1 lb. of stoppers

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