Silicone Lab Stopper, 19# Leak-Proof Lab Stopper for Labware with 19/22 Outer Joint, 10pcs Total

Silicone Lab Stopper, 19# Leak-Proof Lab Stopper for Labware with 19/22 Outer Joint, Versatile Laboratory Supplies, 10pcs in Total

Silicone Lab Stopper, 19# Leak-Proof Lab Stopper for Labware with 19/22 Outer Joint, 10pcs Total

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Key Features

• ✅ Perfect Match and Sealing: The 19 mm (19#) stopper is ideal for laboratory glassware with a compatible joint size of 19/22; the threaded design offers convenience in usage and prevents accidental disconnection
• ✅ High-Quality Material: Made from premium silicone material, ensuring durability and resistance to various chemicals commonly used in laboratory settings
• ✅ Secure Fit: Designed to provide a secure and tight fit, preventing any leakage or evaporation of substances within the lab equipment
• ✅ Easy Handling: Smooth and flexible surface allows for easy insertion and removal, ensuring convenient handling during experiments and lab work
• ✅ Guaranteed after-sales service: if received defective or damaged item, please contact us. We will definitely help you solve the problem until you are satisfied

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