--- product_id: 314076007 title: "stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack)" brand: "stonylab" price: "91.63 DT" currency: TND in_stock: true reviews_count: 11 url: https://www.desertcart.tn/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware store_origin: TN region: Tunisia --- # 200°C Max Temp 14/20 Joint Borosilicate Glass stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) **Brand:** stonylab **Price:** 91.63 DT **Availability:** ✅ In Stock ## Summary > 🔒 Seal the Deal with StonyLab's Hex Head Stopper! ## Quick Answers - **What is this?** stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) by stonylab - **How much does it cost?** 91.63 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware) ## 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 - • **Seamless Sealing:** Experience airtight closure with the 14/20 outer joint design. - • **Durable & Reliable:** Crafted from heavy-duty borosilicate glass for long-lasting use. - • **Hexagonal Innovation:** The hex head design allows for easy handling and cleaning. - • **Temperature Resilience:** Withstands temperatures up to 200°C for versatile lab applications. - • **Customer-Centric Quality:** StonyLab guarantees premium quality and exceptional customer service. ## Overview The StonyLab Hex Head Hollow Glass Stopper is designed for laboratory use, featuring a 14/20 outer joint and a hexagonal head for easy handling. Made from durable borosilicate glass, it can withstand temperatures up to 200°C, ensuring reliable performance in various lab settings. This reusable stopper is perfect for sealing glassware, and StonyLab stands behind its quality with excellent customer service. ## Description stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) ## Features - 14/20 Outer Joint - Hollow glass stopper - Hexagon Head Stopper; convenient to clean and rotate, and side grooves can prevent slippage - Borosilicate Glass, Heavy Duty Design, Reusable and High quality; maximum withstand temperature 200°C - StonyLab ensures high quality and premium customer service ## Product Details - **Material:** Borosilicate Glass - **Thread Size:** #0-80 - **Exterior Finish:** Borosilicate Glass - **Manufacturer Grade:** Premium - **Head Style:** Hex ## Images ![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 1](https://m.media-amazon.com/images/I/51vbcg8K4TL.jpg) ![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 2](https://m.media-amazon.com/images/I/517-5ygQCGL.jpg) ![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 3](https://m.media-amazon.com/images/I/51ygDRdExfL.jpg) ![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 4](https://m.media-amazon.com/images/I/41DcqNQiD-L.jpg) ![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 5](https://m.media-amazon.com/images/I/41S6L2FllAL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars The best stopper cleaning plug. *by N***D on Reviewed in the United States on May 17, 2024* I have a couple of them I highly recommend ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Fits 24/40 perfectly *by E***S on Reviewed in the United States on January 29, 2022* This product is light, fits 24/40 ground glass connection, is thin glass but not meant to be abused. Pricey but good quality wise. ### ⭐⭐⭐ 3.0 out of 5 stars stopper *by J***E on Reviewed in the United States on June 14, 2024* cute ## Frequently Bought Together - StonyLab Glass Hex Head Hollow Glass Stopper, Hexagonal Head Glass Hollow Stopper for 14/20 Outer Joint Glass with Closed Bottom (14/20 Joint, 1 Pack) - StonyLab 3 Way Claisen Distillation Adapter with 14/20 Joints Connecting Adapter Lab Supply, SL-L2L5R1 - StonyLab 4 Way Claisen Distillation Adapter with 14/20 Joints Connecting Adapter Lab Supply, SL-L1M2M5R1 --- ## 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.tn/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware](https://www.desertcart.tn/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-09*