#glassstopper

⚗️ Erlenmeyer Flask with Glass Stopper | 24/40 Joint & Borosilicate Glass

This Erlenmeyer Flask with Glass Stopper features a 24/40 outer joint and comes in 50–1000 ml sizes. Made from durable borosilicate glass, it offers excellent clarity and resistance to thermal and chemical stress. 🔬✨

The flask supports -0.065 MPa pressure; please avoid excessive vacuum for safe use. Its precise stopper fit makes it ideal for mixing, storing, and controlled reactions. ⚗️

Backed by StonyLab’s quality and customer support, we’ll assist promptly if your item arrives damaged. ✔️

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Amber Glass Penny-Head Stoppers 🧪 | Light-Protective & Lab-Grade

Upgrade your lab setup with the Amber Glass Penny-Head Stopper 🧪—a dependable sealing solution designed for researchers working with light-sensitive materials. Crafted from amber-tinted borosilicate glass, it naturally filters harmful light, helping preserve sample integrity during storage and handling 🌒✨.

The standard ground glass joint ensures a snug, leak-free fit with StonyLab glassware and other compatible laboratory equipment. Built to withstand thermal changes and repeated use, this hollow stopper combines durability with reliable performance in daily experimental work 🔥🔬.

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Labasics Hex Head Glass Stoppers – Secure Your Setup! 🧪🔒

Say goodbye to slipping stoppers with Labasics Hex Head Glass Hollow Stoppers! 💡 Crafted from premium borosilicate glass, these durable, heat-resistant stoppers (up to 250°C) feature a hexagon head for easy grip and side grooves to prevent slippage. Ideal for sealing 14/20, 19/22, or 24/40 outer joints with precision and reliability. 🔬💎

Available in singles or a 5-pack—priced from just $9.39 to $22.55!

Built to last, backed by Labasics’ 1-year limited warranty. ✅

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Seal your glassware confidently with StonyLab's Solid Glass Stopper! 💎 Designed to fit snugly into ground glass joints, it prevents leaks and ensures clean, controlled experiments. Made of premium borosilicate glass, it’s heat-resistant, chemically durable, and crystal clear. 🌡️💧

Available in multiple sizes for just $9.39 — essential for every lab! 🧰

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