Description
Product Overview
The Drilled Rubber Stopper #6.5 by Home Brew Ohio is engineered for durability and precision in laboratory and home‑brew environments. Crafted from high‑grade black rubber, each cone‑shaped stopper measures 4 inches in width and 1.2 inches in height, providing a snug fit for standard 1‑gallon glass jugs. The stopper features a centrally drilled aperture sized to accept standard airlocks, tubing, or venting equipment, eliminating the need for additional adapters. The set includes three identical stoppers, ensuring you have replacements readily available for continuous operation. With a weight of just 1.1 ounces per piece, the stoppers are lightweight yet robust, resisting deformation under typical laboratory pressures. The product is manufactured by Home Brew Stuff, a trusted name in brewing accessories, and carries the Global Trade Identification Number 00962537616102 for easy inventory tracking. Designed for hand‑wash cleaning only, the stoppers maintain their integrity over repeated use without the risk of chemical degradation.
![[Product front view showing all components]](https://www.imageperfect.store/wp-content/uploads/2026/07/86ce487c9dc14080ae1f7391f0570402.jpg)
Usage
These stoppers excel in a variety of settings where a reliable seal is essential. In scientific labs, they are commonly used to seal reaction vessels, fermentation flasks, and distillation apparatuses, allowing for controlled gas exchange while preventing contamination. Home brewers appreciate the compatibility with 1‑gallon glass jugs, making them ideal for small‑batch beer, cider, or kombucha fermentations. The drilled opening accommodates airlocks, silicone tubing, or pressure release valves, enabling precise monitoring of CO₂ evolution and temperature control. Because the stoppers are not dishwasher safe, they are best cleaned by hand with mild soap and warm water, preserving the rubber’s elasticity. Their compact size and lightweight nature also make them suitable for field work, where portability and ease of handling are paramount. Whether you are conducting a chemistry experiment, cultivating a microbial culture, or crafting a home‑brew, the Drilled Rubber Stopper #6.5 provides a dependable barrier that supports consistent results.
Why Choose Us
Choosing Home Brew Ohio means selecting a product backed by years of expertise in brewing and laboratory supplies. Our stoppers undergo rigorous quality control to ensure uniform dimensions, consistent hardness, and a flawless drilled aperture. The black rubber material is selected for its resistance to UV light and chemical exposure, extending the service life of each stopper. We stand behind our products with responsive customer support, offering guidance on proper installation, maintenance, and troubleshooting. In addition, the three‑piece packaging provides added value, reducing downtime caused by lost or damaged stoppers. Our commitment to sustainability is reflected in the recyclable packaging and the long‑lasting nature of the rubber components, minimizing waste for environmentally conscious users. When you purchase from Home Brew Ohio, you receive a product that combines functional design, reliable performance, and attentive after‑sales service.
Key Features
- High‑grade black rubber offers excellent chemical resistance and durability.
- Precision‑drilled aperture fits standard airlocks, tubing, and venting devices.
- Cone shape provides a tight seal on 1‑gallon glass jugs, preventing leaks.
- Lightweight yet robust design supports repeated use in lab and brewing applications.
- Three‑piece set ensures you always have a spare, backed by responsive customer support.
FAQ
What size glass containers are compatible with this stopper?
The stopper is designed to fit standard 1‑gallon (approximately 3.8 L) glass jugs and similar vessels with a matching neck diameter.
Can I use these stoppers with a silicone tube for gas flow?
Yes, the central drilled hole is sized to accept most silicone tubing used in laboratory and brewing setups, allowing for controlled gas exchange.
Are the stoppers dishwasher safe?
No, the rubber material should be hand‑washed with mild soap and warm water to preserve its elasticity and prevent degradation.
How many stoppers are included in the package?
The product comes as a set of three identical stoppers, providing extra units for backup or multiple simultaneous experiments.
What warranty or support does Home Brew Ohio offer?
We provide a 30‑day satisfaction guarantee and ongoing technical support to help you install, maintain, and troubleshoot the stoppers for optimal performance.





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