Singe-Use Fittings and Connectors

Pure-Fit SC Sterile Connector:
Pure-Fit SC Sterile Connector


Introducing connective technology that makes completely sterile connections possible outside the clean room environment.

Pure-Fit SC is an innovative new connective technology that makes it possible to create true sterile connections anywhere — even outside the clean room environment. It incorporates exclusive Pure-Fit SIB technology, which provides a seamless transition of tubings and fittings in order to maintain complete fluid integrity. The silicone valve design at the heart of Pure-Fit SC allows for easy assembly and leaves no gaps or residue, eliminating problems associated with other systems. The locking mechanism virtually eliminates the possibility of operator error, and also simplifies validation.

Colder Steam-Thru® Connections
Colder Steam-Thru® Connectors


Colder Products single use/disposable Steam-Thru® Sterile Connections allow a quick and easy sterile connection between biopharmaceutical processing equipment and disposable bag and tube assemblies. Media can be safely transferred without the cleaning and validation concerns associated with reusable components. Colder now offers bothe the Steam-Thru® and the Steam-Thru® II Sterile Connectors.

Colder AseptiQuik Sterile Connectors
Colder Aseptiquik Sterile Connector

AseptiQuik Connectors provide quick and easy sterile connections, even in non-sterile environments. The AseptiQuik "CLICK-PULL-TWIST" design enables users to transfer media easily with less risk of operator error. The AseptiQuik connector's robust design provides the highest level of reliability without the need for additional hardware. Using the Colder AseptiQuik connector biopharmaceutical manufacturers can make sterile connections with the quality and market availability they expect from the leader in single-use connection technology.

Genderless AseptiQuik® G Sterile Connectors
The AseptiQuik G Genderless Sterile Connector

Colder Genderless AseptiQuik G Connectors enable quick and easy sterile connections, even in non-sterile environments. The innovative, easy-to-use genderless design simplifies system integration and minimizes the risk of operator error.

The connectors' robust construction provides enhanced user confidence by delivering repeatable and reliable performance without the need for clamps, fixtures or tube welders.

Biopharmaceutical manufacturers benefit from a full range of interchangeable 1/4" to 3/4" flow solutions with the quality and market availability they expect from the leader in single-use connection technology.

Colder Connectors and Quick Disconnects
Colder Connectors

Holland carries the complete line of Colder quick disconnection couplings. Biopharmaceutical manufacturers incorporate single-use systems into their processes to increase productivity, add flexibility, minimize risk and reduce cost throughout their facilities. Colder’s USP Class VI couplings and connectors make reliable, flexible and sterile connections throughout the bioprocess.

BarbLock Retainers
BarbLock Retainers

BarbLock ultra-secure retainers are the most advanced design available in today’s demanding connective applications. When it comes to retaining flexible tubing and Hose onto barbed fittings, BarbLock retainers are the only system with a full 360° Radial crimp behind the barb and 360° of compression directly over the barb’s ridge. BarbLock® retainers have become the standard in many industries including the Biopharmaceutical, medical, and laboratory markets, because it solves inherent leak path problems from sensitive and demanding applications. The retainer uses no Adhesives or solvents and is ideal for systems transferring delicate liquids or gases. The system is quick and easy to assemble saving valuable time

Pure-Fit SIB
Pure-Fit SIB Smooth Inner Bore Fitting Systems

Pure-Fit SIB is a smooth inner bore (SIB) fitting and assembly system that provides a seamless transition of tubing and fittings, maintaining complete fluid integrity throughout the system. Quick and secure connections, as well as the prevention of fluid contamination and product loss through leakage, are critical in biopharmaceutical applications. Pure-Fit SIB, with its patented 360° compression seal, is the solution to these potential problems.

Pure-Fit SIB’s unique internal design reduces the risk of tubing being punctured or cut from sharp, barbed edges like those on traditional fitting systems. Because of the smooth inner bore design, Pure-Fit SIB eliminates turbulence (dead space) or stagnation of fluid flow, which creates areas for potential bacteria growth.


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