--- product_id: 86542368 title: "- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk" brand: "alwsci" price: "149.12 DT" currency: TND in_stock: true reviews_count: 2 category: "Alwsci" url: https://www.desertcart.tn/products/86542368-alwsci-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical store_origin: TN region: Tunisia --- # 6x31 mm precision size 300 µL usable volume USP Type 1 Borosilicate glass - ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk **Brand:** alwsci **Price:** 149.12 DT **Availability:** ✅ In Stock ## Summary > 🧬 Elevate your lab game with flawless precision and clarity! ## Quick Answers - **What is this?** - ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk by alwsci - **How much does it cost?** 149.12 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/86542368-alwsci-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical) ## Best For - alwsci enthusiasts ## Why This Product - Trusted alwsci brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack of 100:** Cost-effective supply for high-throughput labs or professionals who never want to run out. - • **Conical Base Design:** Facilitates complete sample recovery and easy cleaning, minimizing waste and contamination. - • **Optimized Volume Capacity:** 350 µL fill volume with 300 µL usable capacity—perfect for precise sample handling. - • **Premium Borosilicate Glass:** Crafted from USP Type 1, 68 borosilicate glass ensuring superior chemical resistance and clarity. - • **Precision Fit for 9-425 Vials:** Seamlessly compatible with standard 11mm crimp and snap top vials for flawless lab integration. ## Overview ALWSCI 300 µL vial inserts are precision-engineered borosilicate glass tubes (6x31 mm) with a conical base, designed for 9-425 vials. Made from USP Type 1, 68 borosilicate glass, they offer exceptional chemical resistance and clarity. Each pack contains 100 inserts, optimized for a 350 µL fill volume and 300 µL usable capacity, ideal for professional laboratory sample handling. ## Description ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk: desertcart.com: Industrial & Scientific Review: Worth the price - Bout two packages. You can find one or two inserts per package that are a little weird, other than that, everything is OK. Review: Works well - Works well ## Features - 300 ul Vial Inserts Glass Bevelled Bottom Clear Insert Tube for 9-425 Vials, 11mm Crimp Top Vial and 11 mm Snap Top Vial - Material: USP Type 1, 68 Borosilicate Expansion, 1st Hydrolytic, Clear Glass - Dimensions: 31 x 6 mm - Fill vol: 350 ul ,Usable vol: 300 ul - Content: 100 pcs/pk ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DF7LNNT | | Best Sellers Rank | #303,144 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #472 in Lab Sample Vials | | Date First Available | May 30, 2018 | | Is Discontinued By Manufacturer | No | | Item Weight | 3.52 ounces | | Item model number | 2ML-N2004 | | Manufacturer | ALWSCI | | Package Dimensions | 4.65 x 4.06 x 1.69 inches | ## Images ![- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 1](https://m.media-amazon.com/images/I/51qHiKUv3dL.jpg) ![- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 2](https://m.media-amazon.com/images/I/418LYvHa51L.jpg) ![- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 3](https://m.media-amazon.com/images/I/4116XQUJNnL.jpg) ![- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 4](https://m.media-amazon.com/images/I/51cZv4OeLHL.jpg) ![- ALWSCI 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 5](https://m.media-amazon.com/images/I/61O4fdA3LeL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is the outside diameter (od) exactly 5mm? what is the manufacturing tolerance of the od?** A: Yes, Our 0.25ml glass Vial Insert, Flat base. Outside diameter is 5mm ( Tolerance is 4.7 - 4.95mm) The height is 31mm ( Tolerance is 30.0 - 31.0mm ) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worth the price *by A***J on March 9, 2019* Bout two packages. You can find one or two inserts per package that are a little weird, other than that, everything is OK. ### ⭐⭐⭐⭐⭐ Works well *by A***W on April 22, 2021* Works well --- ## 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/86542368-alwsci-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical](https://www.desertcart.tn/products/86542368-alwsci-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-29*