--- product_id: 541048491 title: "stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10" brand: "stonylab" price: "R588" currency: ZAR in_stock: true category: "Stonylab" url: https://www.desertcart.co.za/products/541048491-stonylab-silicone-stopper-with-thread-19-natural-silicone-septum-stopper store_origin: ZA region: South Africa --- # Threaded design for secure fit Fits 19/22 lab glassware joints Premium reusable silicone stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 **Brand:** stonylab **Price:** R588 **Availability:** ✅ In Stock ## Summary > 🔬 Lock in your lab’s efficiency with StonyLab’s silicone stoppers! ## Quick Answers - **What is this?** stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 by stonylab - **How much does it cost?** R588 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/541048491-stonylab-silicone-stopper-with-thread-19-natural-silicone-septum-stopper) ## Best For - stonylab enthusiasts ## Why This Product - Trusted stonylab brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Advantage:** Set of 10 stoppers ensures you’re always stocked and ready - • **Secure Threaded Seal:** Prevents accidental disconnection with precision threading - • **Durable Silicone Build:** Made from premium natural silicone for long-lasting, reusable performance - • **Universal Compatibility:** Perfectly fits 19/22 outer joint lab glassware for versatile use - • **Trusted Quality & Support:** Backed by StonyLab’s premium customer service for guaranteed satisfaction ## Overview The StonyLab Silicone Stopper with Thread is a pack of 10 premium natural silicone septum stoppers designed to fit 19/22 outer joint lab glassware. Featuring a secure threaded design, these durable and reusable stoppers prevent accidental disconnections, ensuring reliable lab performance. Ideal for professionals seeking dependable, high-quality lab accessories backed by excellent customer support. ## Description Buy stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 at desertcart UK. Free delivery on eligible orders. ## Features - Pack of 10 - I.D. 19mm (19#) stopper is suitable for glassware with matching joint of 19/22 in laboratory - Thread design is convenient to use and avoid accident disconnecting - premium silicone material, reusable but please avoid cross-use - StonyLab ensures premium products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BR3P56GR | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 26,764 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 49 in Lab Stoppers | | Customer Reviews | 4.8 4.8 out of 5 stars (10) | | Date First Available | 26 Dec. 2022 | | Item Weight | 3 g | | Manufacturer | StonyLab Scientific | | Manufacturer reference | SiliconeStopper-10PK-19# | | Material | PE_(Polyethylene) | | Part number | SiliconeStopper-10PK-19# | | Product Dimensions | 1.9 x 1.9 x 2.2 cm; 3 g | | Size | 19# | ## Images ![stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - Image 1](https://m.media-amazon.com/images/I/51l-PbGadnL.jpg) ![stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - Image 2](https://m.media-amazon.com/images/I/51mECOgdOEL.jpg) ![stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - Image 3](https://m.media-amazon.com/images/I/51iUzPTnnwL.jpg) ![stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - Image 4](https://m.media-amazon.com/images/I/519P2qGcdSL.jpg) ![stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - Image 5](https://m.media-amazon.com/images/I/61dpiz2IicL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - stonylab Silicone Stopper with Thread, 19# Natural Silicone Septum Stopper Fit for 19/22 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 - 12 pcs Keck Clips Ground Joints #24, Standard Taper POM for Joints 24/29 and 24/40 - stonylab Rubber Stopper, 14# Natural Rubber Septum Stopper Fit for 14/20 Outer Joint Lab Glassware, Sleeve Type, Pack of 10 --- ## 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.co.za/products/541048491-stonylab-silicone-stopper-with-thread-19-natural-silicone-septum-stopper](https://www.desertcart.co.za/products/541048491-stonylab-silicone-stopper-with-thread-19-natural-silicone-septum-stopper) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-05*