Best Lab Cap Plugs of 2025

The Globe Scientific Cap Plugs are designed for test tubes with a 12mm size, ensuring a secure fit for your laboratory needs. Each pack contains 1000 caps, providing excellent value and convenience for frequent use. With dimensions of 32.7 cm in height, 5.2 cm in length, and 20.3 cm in width, they are easy to store and handle. Weighing only 0.472 kilograms, these caps are lightweight, making them simple to transport. Available in assorted colors, you can easily organize your lab supplies while adding a touch of personalization.

The Globe Scientific Flange Plug Cap is a convenient and reliable solution for sealing test tubes. With its polyethylene construction, this cap ensures a secure and tight fit, keeping the contents of the test tubes safe and protected. The cap comes in a 13mm size, making it compatible with various test tubes. The package dimensions of 30.2 H x 7.2 L x 20.8 W (centimeters) and package weight of 0.567 kilograms make it easy to store and transport. Made in the United States, this cap is of high quality and is suitable for laboratory use.

The Globe Scientific Cap is designed for laboratory use, specifically for test tubes measuring 13mm in size. With its compact package dimensions of approximately 28.96 cm by 17.78 cm by 7.62 cm, it is easy to store and handle. Weighing only 1.399 pounds, it is lightweight, making it convenient for transport. Manufactured in the United States, this product assures quality and reliability, which is essential for lab environments. You’ll find that having a pack of 1000 ensures you have plenty on hand for various experiments and tests, enhancing your lab's efficiency.

The uxcell Salt Shaker Stoppers come in a set of ten, designed to provide a snug fit for your seasoning bottles. Made from durable PE plastic, these stoppers are lightweight and flexible, ensuring a long-lasting solution to keep your salt fresh. Their primary function is to prevent spills and maintain quality by blocking moisture and air from entering the shaker. Additionally, these versatile stoppers are perfect for various uses, whether in the kitchen or living room, and can replace worn-out corks in different containers.

The Home Brew Ohio Caps are versatile 38mm screw caps designed to fit most half and one-gallon jugs. With a pack of 12, you have plenty of caps for your needs, whether you're storing liquids or experimenting with home brewing. These caps are reusable, making them a practical choice for anyone looking to save on costs and reduce waste. Their secure fit ensures that your liquids stay contained, providing peace of mind during transport or storage. Enjoy the convenience of having reliable caps on hand for all your brewing and storage needs.

The JG Finneran Cap is designed with a 38-400mm polypropylene material, ensuring a durable and reliable seal for your lab needs. The F217 liner enhances its sealing capability, making it ideal for various applications where containment is crucial. This cap is part of a larger category of lab cap plugs, providing versatility for different containers. With this product, you can trust that your samples or substances will be securely sealed, preventing any leaks or contamination, which is essential for maintaining the integrity of your work.

Globe Scientific Test Tube Cap is a high-quality lab supply designed to securely seal test tubes. With its polyethylene flange plug cap, it provides a tight and reliable seal, preventing any leakage or contamination. The cap is specifically designed for test tubes with a 12mm size, ensuring a perfect fit. Its clear color allows for easy visibility of the content inside the test tubes. The package dimensions of 18.541 cm L X 29.21 cm W X 5.588 cm H make it compact and easy to store. Weighing only 1.15 lbs, it is lightweight and convenient to handle. Made in the United States, you can trust the quality and reliability of this lab cap plug.

The Stockwell 8585 Caps are a practical solution for sealing 16 mm test tubes. Weighing just 2.4 lbs, this pack of 1000 caps is both lightweight and easy to handle. As a disposable lab supply, these caps offer convenience by eliminating the need for cleaning and reusing, saving you time and effort. Their economical design ensures you can stock up without breaking the bank, making them a smart choice for laboratories looking to maintain efficiency. With these caps, you can ensure your samples remain secure and contamination-free.

Globe Scientific Test Tube Cap is a pack of 1000 lavender-colored polyethylene flange plug caps designed for test tubes. These caps come in three sizes - 12mm, 13mm, and 16mm, making them suitable for various test tube sizes. With 9 beautiful colors available, these caps allow for easy sample identification in the lab. Made of polyethylene, they provide a secure seal to prevent contamination and evaporation. The Globe Scientific Test Tube Cap is a convenient and reliable solution for sealing test tubes during experiments and storage, ensuring the integrity of your samples.

Globe Scientific Polyethylene Flange Plug Cap is a versatile lab accessory designed to fit test tubes. With its durable polyethylene construction, this cap provides a secure seal to prevent any leakage or contamination. The cap comes in three different sizes (12mm, 13mm, and 16mm) to accommodate various test tube sizes. Its package dimensions of 10.921 H x 30.48 L x 20.066 W (centimeters) make it convenient for storage and transportation. Weighing only 0.929 kilograms, this cap is lightweight and easy to handle. Made in the United States, it ensures high quality and reliability for your laboratory needs.