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The Advantages Of Cleanroom Pass Through

Cleanrooms are generally used in the manufacture of sensitive components that cannot tolerate contamination—e.g., medical devices, pharmaceuticals, and electronics. These structures provide control over the workspace, maintaining set levels of temperature, humidity, light, air pressure, and other environmental variables. They can also have additional features, such as sealed airlocks and decontamination areas, that facilitate the maintenance of sterile conditions.

The Advantages Of Cleanroom Pass Through

Pass Through—also known as pass-thru cabinets, chambers, or windows—are a critical cleanroom component. These two-door structures are typically installed directly into the cleanroom’s walls and, when opened one door at a time, allow objects to pass into or out of the cleanroom while reducing the risk of contaminants.


Pass Through are an affordable and easy-to-install way to protect the cleanroom environment and meet industry safety standards. In addition to preventing external contaminants from entering the cleanroom, they reduce the number of workers in the room at any given time and limit the frequency of room entries and exits. Both of these things help to further reduce the risk of contamination.

Integrating a pass through also means cleanroom personnel do not need to shower and gown up to place or remove materials from the cleanroom. This saves time and, ultimately can increase productivity.

Pass Through are durable, easy to clean and maintain. Additionally, they are highly customizable, coming in a range of materials, sizes, and designs to meet different cleanroom needs. For example, they are available with fireproofing for combustible material handling and with HEPA air filters for highly sensitive product manufacturing.

The integration of pass through benefits virtually any industry that requires the use of cleanrooms, including the following:


Computer manufacturing

Electronics and technology





Solar power generation


At Kwang Purification, we offer several pass through models for cleanroom construction projects, including:

Static Pass Box

Static Pass Box is an auxiliary equipment for clean room products.The stainless steel clean room pass box adopts the SUS304 stainless steel as the material for interior and exterior product body and the two doors. The thickness of the stainless steel is 1.0mm. Meanwhile, the product is equipped with the ultraviolet lamp with the power of 10W and the wavelength.

Dynamic Pass Box

KW-PB-600 Features PLC based controller with LED semaphore. Two line LCD display on both sides. Variety of options. Perfectly round corners ensuring simple and effective easy cleaning Soft profile silicon sealCovering frame for both sides

Stainless Steel Pass Box

The Stainless Steel Pass Box adopts the SUS304 stainless steel as the material for interior and exterior product body and the two doors. The thickness of the stainless steel is 1.0mm. Meanwhile, the product is equipped with the Taihu ultraviolet lamp with the power of 10W and the wavelength of 254nm. 

Electric Interlock Pass Box

The Electric Interlock Pass Box two doors of the cleanroom pass box take usage of mechanical interlocking to guarantee the doors cannot be opened at the same time. The doors are flat, smooth and have no welding spot. Meanwhile, they are furnished with transparent visible observation windows. 


Pass Through are critical cleanroom components that help keep your cleanroom contaminant-free for sensitive manufacturing operations. 

Kwang Purification has served as a global manufacturer and distributor of high-quality cleanroom and contamination control supplies and accessories. We offer a broad selection of cleanroom products, ranging from modular, softwall and hardwall cleanrooms to cleanroom components to personnel garments. Regardless of your cleanroom needs, our experienced engineers can design and deliver a custom-tailored solution that meets your specifications.

For additional information about pass through or to discuss your cleanroom specifications with one of our experts, contact us or request a quote today.

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