Rubber Stopper #02 Drilled pack of 3 (25/32 x 5/8 x 1 in | 20 x 16 x 25 mm)

Regular price $0.31 USD
Regular price $0.92 USD Sale price $0.31 USD
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Rubber Stopper #02 Drilled, Pack of 3: Premium Quality, Versatile Use

Durable and Reliable Sealing Solution - Made in the USA

Elevate your laboratory work, home brewing, or general sealing needs with our Rubber Stopper #02, available in a convenient pack of three. These stoppers are crafted in the United States, ensuring top-tier quality and durability. Made from premium-grade rubber, they are designed to be soft, pliable, and long-lasting, perfect for various applications.

Each stopper features a precisely drilled hole of 3/8 inch, making them compatible with various airlocks and suitable for use in test tubes, flasks, and other types of bottles. The resilience and pliability of these stoppers ensure a tight and effective seal, maintaining the integrity of your solutions or brews.

Key Features:

  • Material: High-grade rubber for flexibility and durability. 
  • Size: Top diameter is 25/32” (20mm), bottom diameter is 5/8” (16mm), and length is 1” (25mm).
  • Drilled Hole: 3/8" hole size for airlock compatibility.
  • Pack Quantity: 3 stoppers per pack, offering multiple uses.
  • Made in the USA: Quality and reliability assured.


  • Versatile Application: Ideal for laboratories, home brewing, or as bottle stoppers.
  • Excellent Seal: Provides a strong, airtight seal for various containers.
  • Long-Lasting: Retains pliability and resilience over time.
  • Precision Fit: Designed to fit a range of bottle neck sizes.
  • Customer Support: We provide dedicated service in case of any issues.


Q: Are these stoppers suitable for high-temperature applications? A: They are made of durable rubber, suitable for various temperatures, but please consider the specific requirements of your application.

Q: Can these stoppers be used for fermenting wine or beer? A: They are perfect for home brewing, fitting standard fermentation vessels.

Q: Is the rubber material safe for food contact? A: These stoppers are made from high-quality rubber, suitable for general use. Please verify specific compliance if used for sensitive applications.

Q: Are these stoppers easy to clean? A: Yes, they can be easily cleaned and sanitized for reuse.

Choose our Rubber Stopper #02 Drilled, Pack of 3, for a reliable and efficient sealing solution. These stoppers ensure quality performance and longevity for professional laboratory work, home brewing projects, or general-purpose use.

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