Rubber Buchner Funnel Cone Stopper | Flask Filter Collar Set
Rubber Buchner Funnel Cone Stopper | Flask Filter Collar Set
Rubber Buchner Funnel Cone Stoppers – Versatile Flask Filter Collars
Keep your laboratory filtration setup secure and leak-free with these durable rubber Buchner funnel cone stoppers. Designed to create a firm, airtight seal between Buchner funnels and vacuum flasks, these cone-shaped collar stoppers are an essential accessory for any lab bench, school science setting, or DIY chemistry project.
Key Features
- High-Quality Rubber Construction: Made from flexible, resilient rubber that forms a reliable seal and withstands repeated use.
- Universal Cone Design: Tapered collar shape fits a range of Buchner funnel and flask neck sizes for versatile compatibility.
- Green Color: Easy to identify on a busy lab bench or in storage.
- Secure Filter Support: Holds your Buchner funnel firmly in place during vacuum filtration to prevent slipping or air leaks.
- Brand New & High Quality: Each set is 100% new and inspected for consistent quality.
Specifications
- Material: Rubber
- Color: Green
- Package Includes: 1 Set of Buchner cone rubber stoppers
- Country of Origin: Made in China
Please Note
- Refer to the product images for size reference. Please allow 5–10 mm tolerance due to manual measurement.
- Actual color may vary slightly from images due to monitor settings and lighting conditions.
Related Products You May Like
- 34-Compartment Double-Sided Hardware Storage Box & Dividers
- 25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit
- 5-in-1 Diamond Knife Sharpener | Kitchen & Scissor Sharpener
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What is a Buchner funnel rubber cone stopper used for?
A: A Buchner funnel rubber cone stopper (also called a collar or adapter) is used to create a tight, secure seal between a Buchner funnel and the neck of a vacuum flask. This ensures efficient vacuum filtration by preventing air from escaping around the funnel during the filtration process.
Q: What sizes does this Buchner cone stopper fit?
A: The tapered cone design is compatible with a range of standard Buchner funnel and Erlenmeyer flask neck sizes. Please refer to the product images for exact dimensions. Allow 5–10 mm for manual measurement tolerance when selecting your size.
Q: Is the rubber stopper chemical-resistant?
A: These stoppers are made from standard laboratory-grade rubber suitable for general filtration tasks. For use with aggressive solvents or highly reactive chemicals, please verify compatibility with your specific reagents before use.