--- product_id: 181202280 title: "StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply" brand: "stonylab" price: "€ 39.21" currency: EUR in_stock: true reviews_count: 7 category: "Stonylab" url: https://www.desertcart.pt/products/181202280-stonylab-vacuum-flow-control-adapter-with-ptfe-stopcock-14-20 store_origin: PT region: Portugal --- # PTFE stopcock for precise vacuum flow control 14/20 ground glass joint for secure fit 450°C steady operating temperature StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply **Brand:** stonylab **Price:** € 39.21 **Availability:** ✅ In Stock ## Summary > 🔬 Elevate your lab game with precision and clarity! ## Quick Answers - **What is this?** StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply by stonylab - **How much does it cost?** € 39.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/181202280-stonylab-vacuum-flow-control-adapter-with-ptfe-stopcock-14-20) ## 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 - • **Precision Flow Control:** Easily regulate vacuum pressure with smooth PTFE stopcock rotation for flawless experiment results. - • **Robust Thermal Resistance:** Handles steady temperatures up to 450°C, perfect for demanding lab environments. - • **Trusted Durability & Warranty:** Backed by a 1-year limited warranty, ensuring reliability and peace of mind. - • **Crystal Clear Borosilicate Glass:** High transparency ensures real-time visual monitoring of reactions and liquid mixing. - • **Universal 14/20 Joint Compatibility:** Fits seamlessly with standard lab glassware for versatile setup options. ## Overview The StonyLab Vacuum Flow Control Adapter features a 14/20 ground glass joint and a straight hose connection, crafted from durable borosilicate glass with high transparency. Designed for precise vacuum flow regulation via a PTFE stopcock, it withstands steady temperatures up to 450°C and supports secure, leak-proof lab vacuum setups. Ideal for professional labs seeking reliable, clear, and efficient vacuum control solutions. ## Description Our Labware refers to a range of equipment and containers designed for use in laboratory environments. These items are typically crafted from materials like glass, plastic, or metal to ensure durability and chemical resistance. Common examples include beakers, test tubes, flasks, and petri dishes, which are used for measuring, mixing, or storing in scientific, educational, or industrial settings. Review: Works perfectly - Great buy for the price. I've not had any problems with this adapter. It is a bit hard to write a decent review for this since there isn't much that can go wrong. The glass looks well made, the stopcock holds vacuum. If I need another one, I'd buy this one again. Review: Great vacuum adapter for use in labs - Good vacuum adapter to be used in organic labs. Good quality and high vacuum sealing. Great product ## Features - This adapter is designed for laboratory vacuum experiments, allowing flow control via a PTFE stopcock rotation - The adapter features an inner joint and a straight hose connector; joint size: 14/20 - Made of borosilicate glass with high transparency, it provides clear observation of liquid reaction changes and mixing processes for convenient experiment monitoring - Instantaneous temperature difference must not exceed 140°C; steady operating temperature: 450°C; avoid exceeding the maximum pressure rating of the tubing and ensure the stopcock is securely fastened during operation - 1-year limited manufacturer warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CHB1JSP | | Best Sellers Rank | #164,233 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #61 in Lab Distillation Apparatus | | Brand | stonylab | | Brand Name | stonylab | | Color | 14/20 Joint | | Connector Type | Adapter | | Customer Reviews | 4.5 out of 5 stars 57 Reviews | | Global Trade Identification Number | 00788400970917 | | Manufacturer | StonyLab Scientific | | Manufacturer Part Number | Vac-FlowControl-Straight-14/20-1PK | | Material | glass | | Material Type | glass | | Number of Packs | 1 | | Number of Pieces | 1 | | Size | 14/20 Joint | | Thread Size | 14/20, 19/22, or 24/40 | | Thread Type | Ground Glass | | UPC | 788400970917 | | Unit Count | 1 Count | ## Images ![StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply - Image 1](https://m.media-amazon.com/images/I/41wYaXeqP9L.jpg) ![StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply - Image 2](https://m.media-amazon.com/images/I/51V-BwBD94L.jpg) ![StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply - Image 3](https://m.media-amazon.com/images/I/41kTTUiAlSL.jpg) ![StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply - Image 4](https://m.media-amazon.com/images/I/41ZGetttPFL.jpg) ![StonyLab Vacuum Flow Control Adapter with PTFE Stopcock, 14/20 Joint and Straight Hose Connection for Lab Supply - Image 5](https://m.media-amazon.com/images/I/31vkVLIwRCL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works perfectly *by B***E on February 6, 2021* Great buy for the price. I've not had any problems with this adapter. It is a bit hard to write a decent review for this since there isn't much that can go wrong. The glass looks well made, the stopcock holds vacuum. If I need another one, I'd buy this one again. ### ⭐⭐⭐⭐⭐ Great vacuum adapter for use in labs *by J***N on June 7, 2018* Good vacuum adapter to be used in organic labs. Good quality and high vacuum sealing. Great product ### ⭐⭐⭐⭐⭐ Good product *by A***N on November 13, 2018* Arrived in timely fashion and carries out its function. --- ## 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.pt/products/181202280-stonylab-vacuum-flow-control-adapter-with-ptfe-stopcock-14-20](https://www.desertcart.pt/products/181202280-stonylab-vacuum-flow-control-adapter-with-ptfe-stopcock-14-20) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-17*