Rubber Stopper #03 Solid 3 per Pack (15/16 x 23/32 x 1 in | 24 x 18 x 25 mm)

Rubber Stopper #03 Solid 3 per Pack (15/16 x 23/32 x 1 in | 24 x 18 x 25 mm)

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Reliable Rubber Stopper #03 Solid: Secure Sealing for Laboratories and Multiple Applications

Unmatched Sealing Efficiency and Durability

Discover the unmatched reliability and versatility of our Rubber Stopper #03 Solid, available in a convenient three-pack. These stoppers, meticulously crafted in the USA, are engineered to provide a superior, airtight seal for various containers. Constructed from high-grade rubber, they are indispensable for laboratory environments, home brewing ventures, and numerous other scenarios that demand a solid, leak-proof seal.

With dimensions of 15/16 x 23/32 x 1 inch (24 x 18 x 25 mm), our Rubber Stoppers are ideally sized for an array of laboratory glassware, including test tubes and flasks. Their solid construction ensures a secure seal to prevent leaks and contamination. It extends the stoppers’ usability across various applications, making them an essential component in any lab or home brewery setup. 

Key Features:

  • Material: Crafted from premium-grade rubber, ensuring durability and flexibility.
  • Size: Precisely designed at 15/16 x 23/32 x 1 inches (24 x 18 x 25 mm).
  • Solid Design: Guarantees an effective airtight seal.
  • USA Made: Manufactured with high-quality American craftsmanship.
  • Versatile Use: Ideal for labs, home brewing, and general bottle sealing.
  • Effective Sealing: Robust construction provides a leak-proof and airtight seal.
  • Long-Lasting: Durable material designed for repeated use.
  • Universal Fit: Compatible with a range of bottle and flask sizes.
  • Quality Assurance: Produced in the USA to ensure top quality.


Q: Can these stoppers withstand high temperatures? A: The rubber material offers good heat resistance, though checking specific temperature requirements for your application is advised.

Q: Are they suitable for fermenting wines or beers? A: These stoppers are solid and ideal for storage, but they are not designed for fermenting processes requiring airlocks.

Q: Is the rubber material safe for consumables? A: Manufactured from high-quality rubber, these stoppers are safe for various uses, though ensuring compliance with your specific needs is essential. 

Q: Can I reuse these stoppers? A: Their durable construction allows for multiple uses, enhancing their value and sustainability.

Choose our Rubber Stopper #03 Solid for a dependable, versatile, and high-quality sealing solution that supports various applications, from scientific research to home brewing. These stoppers are essential for anyone in need of a reliable sealing option.