• Cleanroom Filtration Solutions

    Flair supplies air filters for cleanroom HVAC systems and controlled environments, including pre-filters, pleated filters, pocket filters, compact filters, V-bank filters, and HEPA/ULPA filters. We support cleanroom contractors, EPC companies, and system integrators with product selection and specification review.

    Discuss Your Filtration Requirements
    cleanroom filtration solution

Filtration Stages and Product Configurations

Cleanroom air filtration systems may use different filter types at different points in the air-handling process. Pre-filters, intermediate filters, and high-efficiency filters are selected according to airflow conditions, particle control targets, and system design. Flair offers a range of filtration products to support different HVAC configurations and project requirements.

01

Pre-Filtration

Initial Particle Removal

02

Intermediate Filtration

Additional Particle Control

03

Final Filtration

High-Efficiency Particle Filtration

Raplacment Type Pre-Air Filter G3/G4

Panel & Pleated Pre-Filters

Panel and pleated filters capture larger airborne particles at the initial stage of air filtration. They help reduce dust loading on downstream filters. Selection depends on airflow, dust loading, filter dimensions, and allowable pressure drop.

Product options

Panel Filters · Pleated Air Filters

View Pre-Filters
Compact HEPA filter

Pocket, Compact & V-Bank Filters

Pocket, compact, and V-bank filters provide an intermediate filtration stage where required. Selection depends on filtration efficiency, airflow, available space, dust-holding capacity, and pressure drop.

Product options

Pocket Filters · Compact Filters · V-Bank Filters

View Intermediate Filters
Mini-pleat Filter (HEPA ULPA)

HEPA & ULPA Final Filters

HEPA and ULPA filters provide high-efficiency particle filtration for applications with strict cleanliness requirements. Filter grade, frame construction, sealing method, dimensions, and airflow should match the system design.

Product options

Mini-Pleat HEPA · Gel Seal HEPA · Double-Sided Gel Seal HEPA · ULPA Filters

View HEPA & ULPA Filters

Filtration Configuration Note

Filter stages are not a fixed configuration for every project. The required filter combination, installation location, and sequence should be determined according to the HVAC system design, airflow requirements, particle control targets, dust loading, and available installation space. Filter efficiency, pressure drop, dimensions, and sealing arrangements should be confirmed against project specifications.

Filter Configuration & Technical Compatibility

Filter construction, media selection, frame materials, and sealing options vary by product type. Explore key configurations and compatibility factors for different air filtration applications. Final specifications should be confirmed against project requirements and individual product datasheets.

Air filter media materials and different pleated filter media forms

Filter Media & Processed Filter Forms

Media selection depends on the required filtration stage, airflow conditions, and operating environment. Flair supplies roll-form media and processed media for compatible air filter products. Depending on the material and filter design, customers can order media in rolls or as pleated configurations for panel filters.

Key points: Roll-Form Media · Pleated Media · Application-Based Material Selection

Pleat Design & Filter Construction

Pleat depth, spacing, and media arrangement influence effective filtration area and structural support. In addition, manufacturers may use separators, protective mesh, frames, and sealing components to complete the filter construction.

Key points: Pleat Depth & Spacing · Separators · Protective Mesh

HEPA filter construction showing pleated media, separators, protective mesh, frame and sealing components
HEPA filter frame comparison featuring gel-seal and gasket-seal configurations

Frame & Sealing Configurations

Frames provide structural support and define the mounting interface. Depending on the filter type, customers can choose aluminum, galvanized steel, or stainless steel frames, together with gel-seal or gasket-seal configurations.

Key points: Frame Materials · Gel Seal · Gasket Seal

Installation Compatibility & Customization

For proper installation, filter dimensions and mounting configurations must match the terminal housing, ceiling grid, and available installation space. Project teams can also review drawings with Flair to check compatibility, clearances, and filter replacement access.

Key points: Custom Dimensions · Housing Interface · Replacement Access

Technicians installing a HEPA filter into a cleanroom ceiling filter housing

Key Considerations for Air Filter Selection

Selecting the right air filter involves more than choosing a filtration grade. Project teams should evaluate cleanliness targets, airflow requirements, operating conditions, and system compatibility to ensure the selected filter meets the intended application and HVAC system requirements.

01. Cleanliness Targets & Filtration Efficiency

Define the required cleanliness level and particle control objectives before selecting a filter. Filter efficiency and grade should be matched to the application, filtration stage, and applicable project specifications.

02. Airflow Requirements & Pressure Drop

Evaluate the required airflow rate, filter face velocity, and allowable pressure drop. The selected filter should operate within the available fan capacity while maintaining the required airflow performance of the air-handling system.

03. Operating Conditions & Contaminant Load

Consider the operating environment, including temperature, humidity, chemical exposure, and expected dust loading. These conditions influence filter media selection, construction requirements, service life, and replacement planning.

04. System Compatibility & Maintenance Access

Check the filter dimensions, mounting arrangement, airflow direction, and housing interface against the existing or planned air-handling system. Sufficient access should also be considered for filter inspection and replacement.

Customization & Engineering Coordination

Flair supports cleanroom contractors, EPC companies, and system integrators with filter configuration reviews, technical coordination, and project-specific requirements. From reviewing filter specifications and installation interfaces to confirming inspection and delivery arrangements, we help align filter products with the intended application and project scope.

01. Filter Specification & Configuration Review

Our team reviews filter types, efficiency grades, dimensions, frame materials, and sealing options against the intended application. We also consider airflow requirements, pressure drop, operating conditions, and project specifications before confirming a configuration.

02. Drawing & Interface Coordination

We review project drawings, equipment schedules, and technical specifications to check filter dimensions, mounting arrangements, housing interfaces, and maintenance clearances. This review helps identify potential compatibility issues before production.

03. Inspection & Delivery Planning

Before production, Flair and the customer confirm the filter configuration, quantities, labeling, and agreed inspection requirements. Flair then coordinates product preparation, packaging, and delivery according to the confirmed order scope.

Request a Filter Review
Industrial machine processing pleated filter media in a filter manufacturing workshop.

FAQs About Air Filters

Find answers to common questions about air filter selection, product configurations, customization options, and project requirements. For application-specific recommendations, contact Flair with your technical specifications or project drawings.

To prepare an accurate quotation, please provide the filter type, required dimensions, filtration grade or efficiency, frame material, and estimated quantity. Airflow requirements, operating conditions, and application details are also helpful. Drawings, photographs, or existing filter specifications can support the review.

Yes. Depending on the filter type and technical feasibility, customization may include non-standard dimensions, frame depth, materials, and sealing configurations. Please provide the required dimensions, installation details, and application requirements for review.

Gel-seal filters use a gel-filled channel designed to form a seal with a compatible housing knife-edge. Gasket-seal filters use a compressible gasket to seal against the mounting surface. The appropriate configuration depends on the filter housing design, installation method, and project specifications.

These filter types differ in construction, filtration area, airflow capacity, and installation requirements. Panel filters are commonly used for pre-filtration, while pocket and compact filters provide additional filtration options. V-bank filters use multiple filter packs arranged in a V-shaped configuration to provide a larger effective filtration area within a compact footprint. Selection should be based on system design and operating requirements.

Airflow rate and pressure drop are important factors when selecting an air filter. A filter must provide the required airflow while operating within the available fan capacity. Initial and final pressure drop, filter face velocity, and dust-loading conditions should be considered during system design and filter selection.

HEPA and ULPA filters are used for high-efficiency particle filtration, but the required grade depends on the cleanliness objectives, application, and applicable test standard. Filter dimensions, airflow conditions, pressure drop, housing compatibility, and installation requirements should also be considered. Refer to the individual product datasheet for confirmed efficiency grades and performance specifications.

Discuss Your Air Filter Requirements

Planning a new cleanroom, upgrading an existing HVAC system, or sourcing replacement air filters? Share your filter specifications, application details, and project requirements with Flair. Our team will review the information and help identify suitable product options.

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