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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    A HEPA box with circumfluence, often referred to as a circumfluent HEPA box or terminal HEPA module, is a specialized, high-efficiency terminal filtration device designed to supply air into cleanrooms. Unlike standard terminal units, the "circumfluence" design uses a specially designed diffuser plate—often featuring concentric circles—to create a "circular truncated cone" airflow, which ensures even air distribution and maximizes the removal of dust. 
    Key Features and Benefits 
    • Even Airflow Distribution: The design reduces eddy currents (air turbulence), ensuring a smooth,, consistent air supply that prevents stagnant air pockets and improves the overall cleanliness of the environment.
    • Improved Efficiency: By improving the air distribution, these boxes prevent localized particle accumulation on the filter, extending the filter's lifespan and reducing maintenance.
    • Structural Design: Typically composed of a static pressure box, a mini-pleat HEPA filter (often H13 or H14), and a diffuser, these units can be made of stainless steel (SUS304 or SUS201) or powder-coated steel.
    • Low Profile & Lightweight: These boxes are designed to be thin and lightweight, facilitating easy installation in restricted ceiling spaces.
    • DOP/PAO Testing Capable: Many models feature testing ports to verify filter integrity and sealing. 
    Applications 
    These units are used as terminal filters in cleanrooms and air purification systems (typically ISO Class 100 to Class 100,000 / ISO 5–8): 
    • Pharmaceutical factories
    • Biomedical laboratories
    • Electronics manufacturing
    • Food processing environments
    • Operating rooms 
    Common Technical Specifications (KLC Models) 
    • Air Velocity: Often designed for an average air speed of 0.45 m/s, or around 0.45 m/s
      ±plus or minus
      ±
       20%.
    • Filter Type: Gel mini-pleat HEPA or ULPA filters.
    • Intake: Side or top air intake, with square or round flange options.
    • Optional Features: Damper, air insulation cotton, and filter replacement reminders. 
    For more information, you can explore product listings for KLC HEPA Box or check out this specific ISO7 Class Cleanroom Circumfluence HEPA Box/Terminal Hepa Filter Box on Alibaba. 
    • Air Filtration Equipment HEPA Box With Circumfluence
      Air Filtration Equipment HEPA Box With Circumfluence. This design helps distribute the air more evenly across the surface of the H...
      www.klcintl.com
    • HEPA Filter Box / Terminal HEPA Module
      HEPA Filter Box / Terminal HEPA Module. HEPA box is a terminal filtration device with side or vertical configured air supply. It i...
      www.klcintl.com
    • HEPA Filter Box - Guangzhou KLC Cleantech Co., Ltd.
      HEPA Filter Box * General HEPA Filter Box / Terminal HEPA Module. Designers carefully designed the diffuser plate to ensure that t...
      www.klcintl.com
    Show all
    • Air Filtration Equipment HEPA Box With Circumfluence
      Air Filtration Equipment HEPA Box With Circumfluence. This design helps distribute the air more evenly across the surface of the H...
      www.klcintl.com
    • KLC HEPA Box
      KLC HEPA Box * Air Filtration Equipment HEPA Box With Circumfluence. This design helps distribute the air more evenly across the s...
      www.klcintl.com
    • HEPA Filter Box / Terminal HEPA Module
      HEPA Filter Box / Terminal HEPA Module. HEPA box is a terminal filtration device with side or vertical configured air supply. It i...
      www.klcintl.com
    • HEPA Filter Box - Guangzhou KLC Cleantech Co., Ltd.
      HEPA Filter Box * General HEPA Filter Box / Terminal HEPA Module. Designers carefully designed the diffuser plate to ensure that t...
      www.klcintl.com
    • Circumfluent HEPA Box BT-HBC | Bao Tien co.ltd Hai Phong
      Diffuser design of the positive and negative alters concentric circle expansion, so that, the air flow in the form of round table ...
      en.baotien.com.vn
    • Cleanroom HEPA Ceiling Modular DOP Testing HEPA Filter Box
      Adopts the gel mini-pleat HEPA filter with better sealing. * Item NO. : KLC-HUDOP. * Cabinet material : Cold rolled steel with pow...
      www.klcintl.com
    • FFU, laminar flow hood, or high-efficiency air outlet
      Apr 27, 2026 — This is a passive air supply terminal that does not have its own fan. The KLC HEPA box relies on the central air conditioning syst...
      www.klcintl.com
    • Stainless Steel HEPA Terminal Diffuser Box For Clean Room
      Its reliable filtration performance and robust construction make it an ideal choice for ensuring clean and safe working conditions...
      www.klcintl.com
    • HEPA filter - Filter a large number of very small particles
      INTRODUCTION ABOUT HEPA BOX * Hepa filter box, also known as Hepa Box is a terminal in the clean room design, specialized products...
      en.baotien.com.vn
    • General HEPA Filter Box / Terminal HEPA Module
      Product information * Product information. * The HEPA Box adopts the newest advance technology from Japan which makes the airflow'
      www.klcintl.com
    • Air Cleaning Equipment Super Thin FFU/Fan Filter Unit
      * Overheating protection. Inside equipped with overheating protection, the surface is smooth and bright, lower air resistance and ...
      www.klcintl.com
    • ISO7 Class Cleanroom Circumfluence HEPA Box/Terminal Hepa ...
      Product features： 1. Long life-span, low resistance 2. good apperance, convenient installation, easy maintenance, light weight, th...
      www.alibaba.com
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    HEPA Filter Box / Terminal HEPA Module


    Guangzhou KLC Cleantech Co., Ltd.
    https://www.klcintl.com › hepa-filter-box-terminal-hepa-...
    Guangzhou KLC Cleantech Co., Ltd.
    https://www.klcintl.com › hepa-filter-box-terminal-hepa-...
    HEPA box is a terminal filtration device with side or vertical configured air supply. It is made of a static pressure box, HEPA filter and diffused hole plate.Read more

    Circumfluence Hepa Box(846)


    Alibaba.com
    https://m.alibaba.com › showroom › circumfluence-hep...
    Alibaba.com
    https://m.alibaba.com › showroom › circumfluence-hep...
    Enhance air quality with versatile circumfluence hepa box. Efficiently remove pollutants, ensuring a healthier environment for businesses worldwide.

    ISO 6 Class Cleanroom Circumfluence HEPA Box


    Alibaba.com
    https://www.alibaba.com › product-detail › ISO-6-Class...
    Alibaba.com
    https://www.alibaba.com › product-detail › ISO-6-Class...
    The HEPA Box adopts the newest advance technology from Japan which makes the airflow's distribution more reasonable . The cabinet has simple and reliable ...

    Air Filtration Equipment HEPA Box With Circumfluence


    Guangzhou KLC Cleantech Co., Ltd.
    https://www.klcintl.com › Cleanroom Equipment
    Guangzhou KLC Cleantech Co., Ltd.
    https://www.klcintl.com › Cleanroom Equipment
    This design helps distribute the air more evenly across the surface of the HEPA filter, reducing the accumulation of particles and extending the filter's ...Read more
    Images
    Air Filtration Equipment HEPA Box With Circumfluence ...
    Air Filtration Equipment HEPA Box With Circumfluence ...
    Guangzhou KLC Cleantech Co., Ltd.
    Stainless Steel HEPA Terminal Diffuser Box For Clean Room ...
    Stainless Steel HEPA Terminal Diffuser Box For Clean Room ...
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    HEPA filter - Filter a large number of very small particles


    Phòng sạch Bảo Tiên
    https://en.baotien.com.vn › hepa-box
    Phòng sạch Bảo Tiên
    https://en.baotien.com.vn › hepa-box
    Circumfluent HEPA Box BT-HBC. The original design of diffuser Diffuser design of the positive and negative alters concentric circle expansion, so that, the air ...Read more
    Missing: Circumfluence ‎| Show results with: Circumfluence

    ISO7 Class Cleanroom Circumfluence HEPA Box/Terminal ...


    Alibaba.com
    https://www.alibaba.com › product-detail › ISO7-Class-...
    Alibaba.com
    https://www.alibaba.com › product-detail › ISO7-Class-...
    Product features： 1. Long life-span, low resistance 2. good apperance, convenient installation, easy maintenance, light weight, thin thickness and high ...
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    HEPA Box – Singapore Air Filtration Technology


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    https://www.klcintl.com › klc-hepa-box
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