--- product_id: 101165670 title: "20mm Vial Rubber Stoppers" brand: "chudeng" price: "174 kr" currency: DKK in_stock: false reviews_count: 8 url: https://www.desertcart.dk/products/101165670-20mm-vial-rubber-stoppers store_origin: DK region: Denmark --- # Steam sterilizable Reusable durability Solid airtight seal 20mm Vial Rubber Stoppers **Brand:** chudeng **Price:** 174 kr **Availability:** ❌ Out of Stock ## Summary > 🧪 Seal the deal with every injection—precision meets durability! ## Quick Answers - **What is this?** 20mm Vial Rubber Stoppers by chudeng - **How much does it cost?** 174 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/101165670-20mm-vial-rubber-stoppers) ## Best For - chudeng enthusiasts ## Why This Product - Trusted chudeng brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lab-Grade Reliability:** Trusted by professionals for liquid cultures, supplemented substrates, and grain jars. - • **Economical & Eco-Friendly:** Reusable design supports multiple punctures—lasting up to 15 injections per stopper. - • **Sterilize with Confidence:** Butyl rubber withstands high-pressure steam sterilization without losing shape or function. - • **Engineered for Precision Fit:** Perfectly sized for 20mm vials and 13mm openings, ensuring a snug, leak-proof fit. - • **Unbreakable Seal, Every Time:** Mushroom-shaped self-healing injection ports lock in freshness and prevent contamination. ## Overview These 20mm mushroom-shaped rubber stoppers provide a self-healing, airtight seal for glass vials and liquid culture jars. Made from heat-stable butyl rubber, they can be steam sterilized repeatedly without deformation. Designed for a precise fit on 13mm openings, each stopper supports multiple injections, making them a cost-effective and reliable choice for lab and cultivation use. ## Description 20mm Vial Rubber Stoppers (100 count) Mushroom Self Healing Injection Ports Solid Seal, For Glass Vial and Liquid Culture Jars, Can Be Sterilized by Steam and Repeated Used(20mm): desertcart.com: Industrial & Scientific Review: Buy this one - Excellent. Exactly as described. Fits a 15/32 inch hole perfectly. Use a step drill bit for a super easy clean hole in a jar lid. Oreilly sells a kit that includes a step drill bit with the correct size. Best value for money. Excellent durability, I tested one by puncturing it 20 times. As long as you use slightly different spots it lasts easily 10-15 punctures with a 16 gage needle. Review: Worked flawlessly. - 100% success with zero contaminates. No problems being pressure cooked at 15psi for 90 minutes. The ports can be used multiple times, but they're so cheap I use new ones each time. 100 for $10 is an excellent buy. ## Features - Used for 20mm glass vial and liquid culture jars, fit about 13mm diameter opening(Please refer to the picture). - Self Healing Rubber Stoppers----Can create a great solid seal. - Excellent Heat Stability (Butyl Rubber)-----Can be sterilized by steam under high pressure. - It is reusable and not out of shape. - Great for liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07JGVBSVS | | Best Sellers Rank | #206,115 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #229 in Lab Rubber Stoppers | | Date First Available | October 16, 2018 | | Is Discontinued By Manufacturer | No | | Item Weight | 6.7 ounces | | Manufacturer | Chudeng | | Package Dimensions | 3.35 x 3.23 x 2.52 inches | ## Images ![20mm Vial Rubber Stoppers - Image 1](https://m.media-amazon.com/images/I/4103HqkY2tL.jpg) ![20mm Vial Rubber Stoppers - Image 2](https://m.media-amazon.com/images/I/41Zo7FyacZL.jpg) ![20mm Vial Rubber Stoppers - Image 3](https://m.media-amazon.com/images/I/41gXKkMJgDL.jpg) ![20mm Vial Rubber Stoppers - Image 4](https://m.media-amazon.com/images/I/41iYlbm2fLL.jpg) ![20mm Vial Rubber Stoppers - Image 5](https://m.media-amazon.com/images/I/41mUYEopVRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Buy this one *by C***N on July 25, 2025* Excellent. Exactly as described. Fits a 15/32 inch hole perfectly. Use a step drill bit for a super easy clean hole in a jar lid. Oreilly sells a kit that includes a step drill bit with the correct size. Best value for money. Excellent durability, I tested one by puncturing it 20 times. As long as you use slightly different spots it lasts easily 10-15 punctures with a 16 gage needle. ### ⭐⭐⭐⭐⭐ Worked flawlessly. *by J***R on June 7, 2019* 100% success with zero contaminates. No problems being pressure cooked at 15psi for 90 minutes. The ports can be used multiple times, but they're so cheap I use new ones each time. 100 for $10 is an excellent buy. ### ⭐⭐⭐⭐⭐ good quality *by J***O on August 27, 2023* was very happy with the quality of the product ## Frequently Bought Together - 20mm Vial Rubber Stoppers (100 Count) Mushroom Self Healing Injection Ports Solid Seal, for Glass Vial and Liquid Culture Jars, Can Be Sterilized by Steam and Repeated Used(20mm) - Zonon 128 Pieces Synthetic Filter Paper Stickers 20 mm 0.3 ?m Synthetic Filter Disc Tape Mushroom Applied Under Wide Mouth Mason Jar for Mushroom Cultivation - Weewooday 8 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 mm/ 1.18 Inch) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/101165670-20mm-vial-rubber-stoppers](https://www.desertcart.dk/products/101165670-20mm-vial-rubber-stoppers) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-23*