--- product_id: 61668186 title: "StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml" brand: "stonylab" price: "8769 som" currency: KGS in_stock: true category: "Stonylab" url: https://www.desertcart.kg/products/61668186-stonylab-borosilicate-glass-3-neck-round-bottom-flask-rbf-24 store_origin: KG region: Kyrgyzstan --- # 24/40 standard taper joints for versatile connections high borosilicate glass resists heat & chemicals 3 necks for multitasking StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml **Brand:** stonylab **Price:** 8769 som **Availability:** ✅ In Stock ## Summary > ⚗️ Elevate your lab game with triple-neck precision and rock-solid durability! ## Quick Answers - **What is this?** StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml by stonylab - **How much does it cost?** 8769 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/61668186-stonylab-borosilicate-glass-3-neck-round-bottom-flask-rbf-24) ## 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 - • **Compact 50ml Capacity:** Ideal for precise small-scale reactions and heating with optimal control. - • **Universal 24/40 Joints:** Standard taper outer joints on center and sides guarantee seamless compatibility with a wide range of lab apparatus. - • **Triple-Necked Efficiency:** Simultaneously connect thermometers, condensers, and more for complex experiments without interruption. - • **Trusted Quality Assurance:** Backed by a 1-year limited manufacturer warranty for reliable, long-term lab performance. - • **Premium Borosilicate Durability:** Crafted from high-grade 3.3 borosilicate glass, ensuring superior resistance to acids, alkalis, and thermal shock. ## Overview The StonyLab 3 Neck Round Bottom Flask is a 50ml borosilicate glass vessel designed for advanced chemical lab work. Featuring three 24/40 standard taper joints, it supports simultaneous use of multiple instruments, while its high borosilicate 3.3 glass construction offers exceptional resistance to heat, acids, and alkalis. Perfect for heating, mixing, distillation, and reflux, this flask combines versatility with durability, backed by a 1-year warranty. ## Description StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml: desertcart.com: Industrial & Scientific ## Features - Commonly used for heating, mixing, distillation, reflux, and storage in chemical laboratories - Features three necks for simultaneous use of thermometers, condensers, and other lab glassware, making it suitable for complex experimental setups - Constructed from high borosilicate 3.3 glass with excellent transparency, resistance to acids, alkalis, and high temperatures, ensuring long-term stability - 3 Angled Neck; 50ml capacity; 24/40 Center Joint in the central and double sides - 1-year limited manufacturer warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0789DXYQG | | Best Sellers Rank | #220,838 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Lab Boiling Flasks | | Bottom Shape | Round | | Brand Name | stonylab | | Capacity | 50 ml | | Customer Reviews | 4.2 4.2 out of 5 stars (94) | | Manufacturer | StonyLab Scientific | | Material Type | Glass | | Model Number | US-RBF-3Neck-Glass-50ml | | Number of Items | 1 | | Part Number | US-RBF-3Neck-Glass-50ml | | Shape | Round | ## Product Details - **Bottom Shape:** Round - **Brand:** stonylab - **Capacity:** 50 ml - **Material:** Glass - **Shape:** Round ## Images ![StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - Image 1](https://m.media-amazon.com/images/I/21t9fFNZTXL.jpg) ![StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - Image 2](https://m.media-amazon.com/images/I/31LQcnIwtyL.jpg) ![StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - Image 3](https://m.media-amazon.com/images/I/3199m59qZ8L.jpg) ![StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - Image 4](https://m.media-amazon.com/images/I/31ypJzNYrQL.jpg) ![StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - Image 5](https://m.media-amazon.com/images/I/31Jw-P0BYsL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - StonyLab Glass 50ml Heavy Wall 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint – 50ml - StonyLab Thermometer Inlet Adapter with 24/40 Inner Joint, 80mm Height, for Distillation Apparatus - Starfa Lab Glass Hexagonal Head Glass Stopper for 24/40 Joint Glass (2 Packs) --- ## 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.kg/products/61668186-stonylab-borosilicate-glass-3-neck-round-bottom-flask-rbf-24](https://www.desertcart.kg/products/61668186-stonylab-borosilicate-glass-3-neck-round-bottom-flask-rbf-24) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-09-01*