--- product_id: 806031551 title: "2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups" brand: "xiansini" price: "189 kr" currency: NOK in_stock: true category: "Xiansini" url: https://www.desertcart.no/products/806031551-2pcs-12cm-glass-downstem-diffuser-14mm-laboratory-adapter-for-scientific store_origin: NO region: Norway --- # 2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups **Brand:** xiansini **Price:** 189 kr **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups by xiansini - **How much does it cost?** 189 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/806031551-2pcs-12cm-glass-downstem-diffuser-14mm-laboratory-adapter-for-scientific) ## Best For - xiansini enthusiasts ## Why This Product - Trusted xiansini brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Professional-Grade Diffusion for Precision ApplicationsElevate your laboratory or aromatherapy setup with our premium 2-piece Glass Downstem Diffuser. Expertly crafted from high-borosilicate glass, this essential apparatus is engineered for superior performance, durability, and chemical stability in demanding environments.Complete & Versatile Set: This package includes two identical 12cm downstem diffusers, providing a ready spare for continuous workflow. The standardized 14mm ground glass joint ensures a perfect, leak-tight seal with a wide range of compatible laboratory glassware and aromatherapy vapor diffusers.Advanced Diffusion Technology: Features a meticulously designed multi-slit end that creates exceptional vapor and liquid interaction. This advanced design maximizes surface area contact for highly efficient saturation and mixing in scientific experiments or essential oil vaporization.Built to Last with Borosilicate Glass: Renowned for its exceptional resistance to thermal shock and chemical corrosion, this downstem guarantees long-term reliability. It maintains integrity and clarity through repeated heating and cooling cycles, ensuring consistent results.Core Component for Diverse Setups: Serve as the crucial linking component in your custom apparatus. This downstem is indispensable for constructing sophisticated vapor handling systems, precise distillation pathways, and efficient aromatic diffusion units in research and therapeutic settings. ## Features - 【Premium 2-Piece Laboratory Glass Set】This set includes 2pcs of high-quality glass downstem diffuser. Each unit measures a universal 12cm, designed for optimal vapor diffusion in aromatherapy devices and laboratory glassware setups. - 【Precision 14mm Ground Glass Joint】Featuring a standard 14mm joint, this glass downstem adapter ensures a secure, airtight connection. It is compatible with a wide range of 14mm aromatherapy vaporizers and experimental glass apparatus. - 【Advanced Multi-Slit Diffusion Technology】The engineered multi-slit design significantly increases vapor contact surface area, enabling efficient diffusion and saturation for essential oils and laboratory applications. - 【Durable Borosilicate Glass Construction】Crafted from high borosilicate glass, this apparatus offers superior thermal shock resistance, ensuring durability and chemical stability for repeated use in laboratory or professional settings. - 【Versatile Core Laboratory Component】Serves as a fundamental component in experimental setups, designed to work with other 14mm apparatus for controlled vapor diffusion and aromatic research applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0G4RP8P1R | | Best Sellers Rank | 9,509 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 50 in Lab Evaporation & Drying Equipment | | Brand Name | Xiansini | | Country Of Origin | China | | Coverage | Small to Medium Room | | Customer Reviews | 3.3 3.3 out of 5 stars (10) | | Has Automatic Shutoff | No | | Included Components | Glass Downstem Diffuser * 2 | | Item Dimensions L x W x H | 14L x 14W x 123H millimetres | | Item Shape | Cylindrical | | Manufacturer | Xiansini | | Manufacturer Part Number | Glass Downstem Diffuser | | Model Number | 12cm Glass Downstem Diffuser | | Number of Items | 2 | | Number of Packs | 2 | | Recommended Uses For Product | Home, Laboratory | | Set Name | 2 | | Special Features | Advanced Multi-Slit Diffusion Technology | | Unit Count | 2.0 Count | ## Product Details - **Brand:** Xiansini - **Coverage:** Small to Medium Room - **Product dimensions:** 14L x 14W x 123H millimetres - **Recommended uses for product:** Home, Laboratory - **Special feature:** Advanced Multi-Slit Diffusion Technology ## Images ![2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups - Image 1](https://m.media-amazon.com/images/I/51hH8QGPLWL.jpg) ![2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups - Image 2](https://m.media-amazon.com/images/I/31CC+vppDAL.jpg) ![2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups - Image 3](https://m.media-amazon.com/images/I/31TNmx195AL.jpg) ![2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups - Image 4](https://m.media-amazon.com/images/I/41mtnU6hO0L.jpg) ![2pcs 12cm Glass Downstem Diffuser, 14mm Laboratory Adapter for Scientific Diffusion Apparatus, Borosilicate Glass Down Stem with Ground Joint for Lab Glassware & Experiment Setups - Image 5](https://m.media-amazon.com/images/I/41ChTY3e-WL.jpg) --- ## 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.no/products/806031551-2pcs-12cm-glass-downstem-diffuser-14mm-laboratory-adapter-for-scientific](https://www.desertcart.no/products/806031551-2pcs-12cm-glass-downstem-diffuser-14mm-laboratory-adapter-for-scientific) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-11-05*