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Category: Manifolds and Manifold Systems
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Thousands of Stock Components

Qosina is a global supplier and one-stop source of over 5,000 single-use, off-the-shelf components to medical device and pharmaceutical manufacturers.

Our 40+ years of experience serving the medical device community positions us well to offer a wide range of products and services for single-use bioprocess applications. Our extensive component inventory is a much-needed resource for technologies such as vaccine production and cell and gene therapy.

Our number one priority is to offer the best solutions to fit our customers’ needs and adapt as the development process continues. From prototype to production, we provide consultative support throughout the entire product development life cycle.

Qosina is ISO 13485, ISO 9001, ISO 14001, ISO 45001 and ISO 22301 certified and operates in a 95,000 square-foot, climate-controlled facility that includes an ISO Class 8 Cleanroom. Our unwavering commitment to providing high-quality products backed by supply chain continuity, consistent quality and change control that meet customer expectations and comply with industry standards.

 Our services include:

  • On-hand inventory of 5,000+ SKUs
  • Free samples for testing
  • Low minimum order quantities
  • 3D CAD models
  • Downloadable product documentation
  • Volume pricing
  • Bill of material kitting
  • Just-in-time delivery
  • Modification of existing molds
  • New product design and development

Our Extensive Component Inventory


Featured Categories:


Qosina offers Clamps in an assortment of size, color, and style. In stock and off the shelf, disposable Clamps include Closure Clamps, Hose Clamps, Pinch Clamps, Roller Clamps, Slide Clamps, and Towel Clamps. Available in an array of sizes, Clamps will fit tubing dimensions ranging from 0.059 inch OD to 1.5 inch OD.  Material selection consists of polyacetal, polypropylene, polycarbonate, and other high quality plastics for safe and secure use.  For easy differentiation, clamps are manufactured in wide variety of colors. Qosina also carries Catheter Clamps, Flow Control Clamps, and non-reopening clamps in range of size and color. Clamp sample kits contain different examples from our catalog and can be purchased for design and testing.


Single-use medical tube connectors from Qosina can help expedite your device to market faster as well as save you money. Whether you need high-quality needleless connectors with female luer lock or a Y connector sample assortment for your prototype, Qosina gets you connected to a huge inventory, great customer service and fast, reliable shipping.

The medical tube connector collection at Qosina covers all your single-use connector needs. From bayonet fittings to Y connectors, giant bore connectors to mouthpieces, male and female luer lock connectors to male and female ENFit™ and NRFit™ connectors, we stock a wide range of single-use medical tubing connectors in one place.

Bioprocessing Components

Single Use Bioprocessing Components lower production costs, decrease time to market and reduce the risk of cross contamination. Our patented flow path components include polypropylene barbed flanges with a platinum cured, medical grade silicone gasket mechanically attached to the fitting face. Bioclamps™ are a patented tri-clamp with a quick release, providing an easy assembly and secure connection between our barbed flanges and polypropylene BioEnd Caps™ BioEnd Caps are designed to permanently terminate a disposable manifold until an in-process new sterile connection is made. To control the fluid flow rate, use Biovalves™ which can be easily added to preassembled systems without cutting tubing lines. All Qosina bioprocessing components are made from Class VI compliant materials.


Qosina is a comprehensive source of bulk, non-sterile syringes, in stock and ready to ship, in a variety of materials, sizes, grips, and colors. The extensive offering consists of standard syringes, control syringes for regulating fluid, open ended syringes for viscous fluids and more.  They offer various tip styles, including male and female luer locks, rotating male luer locks, male luer slips, catheter tips, curved tips, and eccentric tips for applications such as dispensing, irrigation, loss of resistance, negative pressure and more.  Qosina is also a distributor of genuine BD™, Monoject™, Medallion™ and VacLok™ syringes.  In addition, the Qosina Catalog presents a wide variety of syringe accessories such as caps, dispensing tips, finger grips, handling blocks, and sheaths.


Qosina is world renowned for having the largest selection of luer connectors including female luer locks, male luer locks, and male luer slips and metal luer tubing connector configurations. View our male to male luers, male to female, female to female, high pressure luers, luers with break off tips, luers with spin locks to prevent tubing crimps, barbed tubing connectors with female luer locks, male luer locks or male luer slips, and pre-assembled extension lines. Luer sample kits contain different examples from our catalog and can be purchased for design and testing.

ENFit™ Connectors

Qosina offers a wide variety of ENFit™ male and female connectors, caps, stepped adapters, Y connectors, stopcocks and syringes, as well as the ENFit to ENLock adapters, ENPlus cross spikes and universal bottle adapters for the ENPlus cross spike. All ENFit™ components are available for immediate delivery.

NRFit™ Connectors

Qosina has added eight NRFit™ connectors and caps to its line. These components are compliant with the ISO 80369-6 standard, which specifies the requirements for small-bore connectors in neuraxial applications. The NRFit™ components are gamma and EtO sterilization ready, and fit 0.083 inch (2.1 mm) or 0.122 inch (3.1 mm) OD tubing. Caps are offered in both vented and non-vented designs. Visit qosina.com to request samples for your evaluation.

Check Valves

Check valves are pressure activated to prevent backflow. Choose our one-way, dual(with male, female and tubing ports), luer activated, duckbill, or relief check valves to meet your requirements. A check valve sample kit contains different examples from our catalog and can be purchased for design and testing.

Needleless Valves

Needleless or luer-activated valves are normally closed but open with the male luer tip of a syringe, or other male luer connector. Available in single, T, Y and multi-port manifold styles, Qosina stocks a selection in various materials, sizes, and designs including swabbable valves.

Hemostasis Valves & Tuohy Borst Adapters

Qosina offers a large selection of hemostasis valves and tuohy borst adapters which provide a seal for secure positioning and prevent backflow. Hemostasis valves also feature a side port with a female luer lock for easy attachment of a secondary line. Many sizes are available; up to 10 French for our hemostasis valves and up to 18 French for our tuohy borst adapters.

Qosina also offers many other kit components including stopcocks, extension lines, scalpels, guide wire accessories, and angiographic needles.  A Tuohy Borst Sample Kit and a Tuohy Borst Component Assortment Kit that contain different examples from our catalog can be purchased for design and testing.


Stopcocks are offered in 1, 2, 3, and 4-way fluid direction and 2, 3, 4, 5, and 6 gang manifolds. Connections include male luer slip, male luer lock, male luer with spin lock, rotating male luer lock, female luer lock, and tubing ports. Stopcocks are offered in various pressure ratings from 6 psi - 1200 psi. A polycarbonate or polysulfone body provides lumen clarity which helps identify media flow. Ideal for testing, medical stopcock sample kits are available for purchase; containing various configurations, pressure ratings, handle rotations, and colors.


Available in high value plastics ( PVC, DEHP-free PVC, C-Flex™, Tygon™, Pharmafluor®, Peroxide or Platinum Cured Silicone and Polyethylene); Qosina provides tubing solutions for many industries. We offer Single Lumen, Multilayer and Coiled tubing. Customizable options include diameter, durometer, length, color, lumens, striping, printing and packaging. Qosina also maintains pre-assembled extension lines to speed your design. A tubing sample kit contains different examples from our catalog and can be purchased for design and testing.


Tools are available in the form of forceps, tweezers, scissors, and safety scalpels. Forceps are offered in styles including locking, adson, iris, serrated dressing, needle holder, and transfer. Tweezers and scissors are available in a variety of sizes, colors, materials, and finishes. Scalpels have been designed for easy one-handed activation available in a variety of blade sizes.

Applicators, Swabs & Brushes

Swabs are available in a variety of sizes and styles. Brushes and applicators are ideal for applying product or liquids in broad or precision strokes. Applicators are available in a variety of styles such as brushes, foam tip, spatulas, sponge on a stick, winged sponges, cotton and specialty swabs. Brushes are equipped with a variety of handles, head shapes, and materials. Foam tip applicators are offered for applying product to either large or small areas, they range from 2.75 inch (70 mm) - 7.5 inch (191 mm). Spatulas are available in wood, polystyrene, polyethylene, and polypropylene, and variety of styles from “S” shaped, boomerang, angled, large head, tapered, spade, tongue depressor, dual ended, and shovel. In addition, swab sample kits are available for purchase and contain a selection from our catalog

Customer Service

Call one of our Customer Specialists and experience our unparalleled customer service. Prompt and efficient service is the heart of Qosina's business. Request samples, place orders, discuss your project or source components that do not currently appear in the Qosina Catalog.


Qosina assists companies of all sizes with projects of any scope. Stock components can eliminate the cost and time of creating a mold since one may already exist. However, if the item you require is not in our inventory, we will work to develop the part to your exact specifications. Slight alteration of an existing mold can be a cost-effective way to create a new part to meet your requirements. 

Inventory Management

While global supply chain challenges still exist, Qosina continues to deliver a high service level to our customers and demonstrates business continuity through efficient supply chain management, demand planning, forecasting and inventories. We also ensure consistent quality through careful oversight of the supply chain.

As a trusted supply chain management outsource partner, we can help you successfully plan and manage your component supply requirements. Qosina offers immediate delivery from our vast inventory, allowing you to reduce your inventory levels and warehousing costs while taking advantage of volume pricing. We can help you plan out your projected inventory needs and release your parts as you need them through our blanket order agreement. This allows you to manage your production system and reduce your stock levels and warehousing costs while taking advantage of volume pricing.

A blanket order can be set up on each product page or call a Customer Service Specialist today to learn more about placing a blanket order and how to establish an inventory management arrangement for your components.

Trade Shows

We exhibit at over 30 Trade Shows each year, domestically in the U.S. and internationally in Germany, France, U.K., Ireland, Korea, Japan, and China. Visit us at one of our booths to discuss your project in person and view a selection of parts from our catalog. Please contact us in advance for a Free Pass to one of these events.

Supplier Directory Categories

Hose Fittings
(216 Products)
Hand Tools
(6 Products)
Medical Tubing
(214 Products)
(214 Products)
Tube Fittings
(2,011 Products)
Plastic Tubing
(214 Products)
Plastic Valves
(231 Products)
Check Valves
(57 Products)
Cable Clamps
(3 Products)
Cable Ties
(34 Products)
Safety Gloves
(3 Products)
Industrial Valves
(231 Products)
Water Valves
(231 Products)
Sanitary Fittings
(141 Products)
Pipe Fittings
(174 Products)
Pipe Flanges
(174 Products)
Rubber Tubing
(133 Products)
Bags and Sacks
(35 Products)
Wipes and Wipers
(17 Products)
Quick Couplers
(34 Products)
(19 Products)
(7 Products)
(3 Products)
Test Tubes
(9 Products)
Laboratory Tongs
(19 Products)
Safety Clothing
(3 Products)
(5 Products)
Air Valves
(231 Products)
Knife Blades
(4 Products)
UV Lamps
(1 Product)
Drain Valves
(2 Products)
Hand Clamps
(8 Products)
(1 Product)
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