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Luer plugs are essential components for sealing luer connections in various applications, from medical devices to laboratory equipment. Ensuring a secure and leak-proof seal prevents contamination and maintains system integrity. Selecting the appropriate plug is crucial for safety, efficiency, and the accuracy of your procedures.
Dual-Function Design for Universal Compatibility These small red luer lock caps feature a unique dual-function design, integrating both male and female luer lock compatibility. This versatile solution ensures a secure fit and reliable performance across a...
Durable ABS Construction for Reliable Performance Manufactured from high-quality ABS material, these caps are built for durability and long-term use. The robust construction ensures resistance to impact and wear, providing a secure seal and dependable...
Secure Sealing & Leak Prevention Engineered to withstand internal pressure, these luer lock caps provide a strong, leak-proof seal for liquid handling applications. The secure twist-lock mechanism prevents accidental disconnections, ensuring system...
Plug-and-Play Convenience Featuring a user-friendly, plug-and-play design, these caps allow for simple, tool-free installation and removal from connectors. This ensures quick and hassle-free operation in any setting.
High-Visibility Color & Bulk Value The vibrant red color allows for easy identification and inventory management. Packaged as a convenient 100-piece set, this bulk offering provides exceptional Its large packaging design is ideal for laboratory, pet care...
These small red luer lock caps feature a unique dual-function design, integrating both male and female luer lock compatibility. This versatile solution ensures a secure fit and reliable performance across a wide range of luer lock connector types and...
Manufactured from high-quality ABS material, these caps are built for durability and long-term use. The robust construction ensures resistance to impact and wear, providing a secure seal and dependable performance in various environments.
Engineered to withstand internal pressure, these luer lock caps provide a strong, leak-proof seal for liquid handling applications. The secure twist-lock mechanism prevents accidental disconnections, ensuring system integrity.
Featuring a user-friendly, plug-and-play design, these caps allow for simple, tool-free installation and removal from connectors. This ensures quick and hassle-free operation in any setting.
The vibrant red color allows for easy identification and inventory management. Packaged as a convenient 50-piece set, this bulk offering provides exceptional cost-effectiveness for laboratories, pet care, and industrial uses
✅ [FEATURES] The luer plug and luer fittings are made of polypropylene (PP) with excellent mechanical strength and good chemical compatibility. Female and male luer fittings
✅ [CONNECTORS] Luer Fitting: Male Luer Lock, Female Luer Lock; Female Luer Plug, Male Luer Plug
✅ [APPLICATIONS] Cobetter fittings and connectors are used for connection or disconnection of fluid paths in biopharma and gene and cell therapy manufacturing processes, laboratory bottle assemblies
✅ [QUALITY] Conform to ISO 9001:2015 Quality management system. The fittings are manufactured in the ISO Class 7 clean zones
✅ [REGULATORY COMPLIANCE] All materials comply with USP Class VI standards. The fittings do not contain animal derived components and are free from TSE risk
Polycarbonate PC, is strong, wear-resistant, durable, and can be used for a long time
Features: The inverted hook is designed with pagoda shaped slot, anti-skid and non-toxic, good air tightness, and good adsorption performance
Note: Nonsterile, widely used in laboratory biochemical / inspection and analysis instruments, food machinery, aquarium equipment, massage equipment, spray painting, and other lines
Complete 126-Piece Assorted Connector Set: This comprehensive kit includes 20 connector types—female–male adapters, straight couplings, tees, plugs, caps, hose barbs, and threaded fittings—providing everything needed to build precise small-scale...
Multi-Standard Interfaces for Versatile Use: Equipped with universal Luer-compatible ends plus G1/8 and M6 threaded adapters, ensuring easy integration with pumps, tubing, custom-built devices, bench setups, and classroom demonstrations.
Ideal for STEM Education, Engineering & Research: Designed for hands-on learning and experimental work in engineering courses, fluid mechanics demonstrations, prototype development, lab exercises, and general-purpose research environments.
Durable, Chemically Inert Materials: Made from food-grade PP and PE, offering excellent resistance to common laboratory liquids, low reactivity, and long-term durability. Smooth surfaces and tight tolerances ensure clean, secure, leak-resistant...
Organized Storage Case for Easy Access: Includes a transparent storage box with individual compartments for quick identification and efficient workflow—perfect for classrooms, shared labs, mobile projects, and organized bench setups.
Sufficient Quantity: the package comes with 1000 pieces of black syringe tips, and is equipped with a transparent storage box; And the quantity is adequate for you to use and replace in daily life, and you can store the tips in the box when not in use
Detailed Size and Easy to Use: this syringe needle cap comes in a compact size, with a height of 0.71 inches, connector's inner dimension of 0.2 inches and the thread diameter of 0.3 inches, compatible with all standard syringes; This ideal dimension...
Reliable and Solid: made of plastic material, the syringe dispenser tips offer nice durability and reliability, reusable and can be cleaned with more than 75% alcohol, not easy to break or deform, can give you a pleasant use experience
Well Sealing: the syringe dispenser tips have a nice sealing design that can fit the syringe tightly without leaking easily, and have a nice airtightness that can keep glue and other liquid inside safe and not freeze, bringing you more convenience
Applicable Usage: this syringe locking cap is compatible with various sizes of syringes and can be locked well and securely; And you can fill the syringes with glue, paint, adhesive and more, and then lock the cap that can give you a safer time using
The lock cap is made of high quality plastic blue PP material, which has strong repeatability, strong and reliable, and is not easy to be damaged.
Syringe head covers can be used for daily bottle distribution, suitable for brass syringes, plastic syringes, stainless steel syringes, etc., 1ml to 200ml various specifications.
Syringe cap thread design: ensure that the syringe is tightly combined with the stopper, lock the tip, prevent dripping, firm and reliable, good sealing, no leakage of liquid, and easy to screw off.
Easy to use: The tip cap can be easily held and removed even if the syringe is filled with glue or sticky substances. At the same time, the syringe plug is easy to store and carry.
In addition to its role in the laboratory, Lc syringe caps can also play a role in crafts and industrial work, such as glue, paint, adhesives, conformal coatings, etc.
Polycarbonate PC, strong, wear-resistant, durable, can be used for a long time
Features: The inverted hook is designed with pagoda shaped slot, anti-skid and non-toxic, good air tightness and good adsorption performance
Note: Non sterile, widely used in laboratory biochemical / inspection and analysis instruments, food machinery, aquarium equipment, massage equipment, spray printing and other lines
Secure Seal Design: the syringe tip caps feature a snug fit with a secure locking mechanism that prevents any leakage, ensuring safe and clean storage of liquids in syringes for various lab and industrial applications
Versatile Compatibility: These luer lock caps are compatible with multiple syringe specifications, making them suitable for dispensing adhesives, glues, paints, thermal heat sink compounds, and solder paste with ease
Durable Material Construction: Made from , the dispensing needle end caps offer reusability and performance under regular laboratory or industrial use conditions
Easy Installation and Removal: Designed for convenience, these syringe tip caps can be quickly unscrewed and replaced with dispenser needle tips, facilitating efficient workflow and storage
Wide Application Scenarios: Ideal for laboratory supplies and industrial uses, these tip caps support precise dispensing in , scientific, and manufacturing settings
Last update on 2026-07-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Luer Plugs
Material Compatibility
Luer plugs are commonly made from materials like polypropylene (PP), polyethylene (PE), and rubber. Polypropylene offers good chemical resistance and is often used for general laboratory purposes. Polyethylene is more flexible and cost-effective, suitable for less demanding applications. Rubber or silicone plugs provide excellent sealing but may have compatibility issues with certain chemicals or sterilization methods. Always check the material's resistance to the specific fluids or gases you will be using.
Frequently Asked Questions
What is a Luer plug used for?
A Luer plug is designed to seal off the open end of a Luer fitting, preventing leakage of fluids or gases. They are commonly used in medical devices, syringes, and laboratory tubing to ensure sterility and maintain system pressure.
What are the different types of Luer connections?
The two primary types are Luer-Lok and Luer-Slip. Luer-Lok fittings have a threaded collar that locks onto the corresponding fitting, providing a more secure connection. Luer-Slip fittings rely on friction for their connection, making them easier to attach and detach but less secure.
Can Luer plugs be reused?
The reusability of Luer plugs depends on their material, intended use, and sterilization. Single-use plugs are designed for one application to maintain sterility and prevent contamination. Reusable plugs, often made of more durable materials, can be sterilized and reused if properly cleaned and inspected for wear.
What size Luer plug do I need?
Luer fittings come in standard sizes, typically referred to by gauge or connection type. Ensure you match the plug size to your existing Luer fitting. Most plugs are designed to fit standard male or female Luer connectors found on tubing, syringes, and other equipment.
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