Gel Seal HEPA Filter Manufacturer
Engineered for critical cleanroom, pharmaceutical, biosafety, and semiconductor environments requiring secure knife-edge sealing, high-efficiency filtration, and reliable leak-tested performance.
- Knife-Edge Gel Seal Design — Provides a secure, compression-free seal to help prevent bypass leakage in terminal housings and cleanroom ceiling systems.
- H13 / H14 / U15 Efficiency Options — Available for demanding cleanroom applications requiring high-efficiency particle control and compliance-ready performance.
- Custom Sizes & Frame Materials — Supports customized L × W × D dimensions, aluminum, galvanized steel, or stainless steel frames for different housing requirements.
- Individual Leak Test Reports Available — DOP / PAO scan testing and EN 1822 / ISO 29463-based quality documentation available for project validation.
- Factory-Direct Supply for Projects & OEMs — Flexible production for cleanroom contractors, equipment manufacturers, pharmaceutical facilities,
Gel Seal HEPA Filter Technical Specifications
Our Gel Seal HEPA Filters are engineered for critical cleanroom terminal filtration systems where airtight sealing, stable airflow, and certified particle removal performance are required. Each filter can be customized by efficiency grade, frame material, gel position, airflow requirement, and installation interface.
Efficiency Options
H13 / H14 / U15 available for cleanroom and critical contamination control applications.
Seal Type
Continuous gel channel for knife-edge sealing, helping reduce bypass leakage risk.
Custom Manufacturing
Custom L × W × D dimensions, frame depth, airflow, and gel position supported.
MOQ
Standard MOQ: 50 pcs
Prototype or project sample order: Available on request
Main Specifications
| Parameter | Specification |
|---|---|
| Filter Media | Ultra-fine Glass Fiber (Mini-Pleat) |
| Frame Material | Anodized Aluminum / Galvanized Steel / SUS |
| Sealant | Polyurethane (PU) Gel (Blue/Transparent) |
| Efficiency (EN 1822) | H13 (≥99.95%), H14 (≥99.995%), U15 (≥99.9995%) |
| Faceguard | Powder-coated mesh / Aluminum mesh (Optional) |
| Max Operating Temp | 70°C / 158°F |
| Max Humidity | 100% RH |
Compliance & Quality Documentation
Each Gel Seal HEPA Filter can be supplied with project-ready technical documentation, including efficiency test data, leak test reports, airflow resistance data, and customized product labels for installation traceability.
Note: Final airflow, resistance, efficiency grade, gel position, and frame structure should be confirmed according to your cleanroom design, filter housing, and validation requirements. Send us your drawing or current filter model for fast specification matching.
Gel Seal HEPA Filter Product Range
Clear Filter Pro manufactures a full range of Gel Seal HEPA Filters for cleanroom terminal filtration systems, FFUs, biosafety equipment, pharmaceutical facilities, and high-grade contamination control environments. Choose from standard or customized designs.
Gel Seal HEPA Filter Manufacturer
Custom gel seal HEPA filters engineered for critical cleanroom applications requiring high-efficiency filtration, secure knife-edge sealing, and reliable leak-tested performance.
Key Features:
- Custom sizes, depths, & airflow
- H13, H14, U15 efficiency options
- Individual DOP/PAO leak test reports
Best For:
Pharmaceutical cleanrooms, GMP workshops, hospitals, laboratories, semiconductor facilities, and cleanroom terminal housings.
Gel Sealed Mini Pleat HEPA Filter
A compact, high-efficiency gel sealed HEPA filter using mini-pleat media technology to provide larger filtration area, lower pressure drop, and stable airflow performance.
Best For:
FFU units, cleanroom ceiling modules, terminal HEPA boxes, biosafety cabinets.
Top Gel Seal HEPA Filter
Designed with the gel channel located on the top surface of the filter frame, making them suitable for ceiling terminal housings and top-loading installation systems.
Best For:
Cleanroom ceiling systems, pharmaceutical terminal housings, GMP production rooms.
Side Gel Seal HEPA Filter
Features a gel channel on the side of the filter frame, designed for side-sealing housings, special terminal boxes, and customized cleanroom equipment.
Best For:
Custom terminal housings, side-loading filter boxes, OEM clean air equipment.
Common Gel Seal HEPA Filter Problems We Help You Solve
Choosing the wrong HEPA filter is not just a purchasing issue. Clear Filter helps you source gel seal HEPA filters that are technically matched, leak-tested, and ready for critical environments.
Air Bypass Leakage After Installation
Impact: Cleanroom validation failure, particle contamination risk, and costly downtime.
Our Solution:
Continuous gel channel designed for knife-edge sealing creates a stable, airtight interface, drastically reducing bypass leakage risk.
Filter Size or Gel Position Mismatch
Impact: Installation delays, air leakage, rework, and increased project costs.
Our Solution:
We support custom L×W×D dimensions, top/side gel seal, and project-specific positions based on your housing drawings.
Lack of Test Reports for Validation
Impact: Delayed project acceptance, compliance risks, and difficulty proving performance.
Our Solution:
Each filter is supplied with efficiency test data, DOP/PAO leak test reports, and technical datasheets for full traceability.
High Pressure Drop Increases System Load
Impact: Increased energy consumption and shortened filter service life.
Solution: Mini-pleat design provides larger media area to balance high efficiency and low pressure drop.
Unstable Supplier Quality for Repeat Orders
Impact: Installation problems, performance variation across multiple projects.
Solution: Factory-direct consistency, customized labels, batch traceability, and repeat-order management.
Gel Seal HEPA Filter Advantages for Critical Projects
From sealing reliability and airflow performance to custom manufacturing, test documentation, and stable batch supply, we help you source filters that match real project requirements.
Factory Direct Precision
End-to-end control from media pleating to polyurethane sealing.
Stable High-Efficiency Filtration Performance
H13, H14, and U15 grades with mini-pleat media pack for larger effective filtration area. Helps buyers achieve reliable particle removal while reducing the risk of excessive airflow resistance.
Value: High efficiency, controlled resistanceCustom Structure for Different Housing Designs
Support custom L×W×D dimensions, top/side gel seal, aluminum/galvanized/stainless frames. Match the filter to the actual housing instead of forcing standard products into non-standard installations.
Value: Custom size, material, gel positionLeak-Tested Quality with Traceable Documentation
Each filter can be supplied with efficiency test data, DOP / PAO leak test reports, product labels, and technical datasheets to reduce validation risk and support cleanroom commissioning.
Value: Batch consistency, validation-ready docsFactory-Direct Supply for Projects and OEM Orders
We support project-based procurement and repeat OEM supply. Covers standard sizes, private label requirements, and bulk programs to manage long-term filter supply efficiently.
Value: Flexible MOQ, OEM support, bulk capabilityBuilt for Critical and Demanding Applications
Widely used in pharmaceutical cleanrooms, GMP workshops, biosafety labs, semiconductor facilities, and FFUs where bypass leakage and particle contamination cannot be ignored.
Value: Strict cleanliness control suitabilityTrusted Gel Seal HEPA Filter Manufacturer
Clear Filter Pro supports critical cleanroom filtration projects with in-house manufacturing, strict testing, custom production, and export-ready service. From filter structure confirmation to leak testing and packaging, we help buyers reduce sourcing risk and get filters that match real project requirements.
Inside Our Facility
Real production, testing, and engineering support for custom Gel Seal HEPA Filters.
Why Buyers Trust Us
Delivering consistent quality and engineered solutions for critical environments.
In-House Manufacturing
Controlled production from filter media to final assembly for more stable quality.
Leak Testing Support
DOP / PAO leak test reports and technical documents available on request.
Custom Project Capability
Custom size, frame material, gel position, label, and packaging supported.
Cleanroom Application Experience
Suitable for pharmaceutical, biosafety, semiconductor, hospital, FFU, and terminal HEPA systems.
Facility & Process Overview
Take a closer look at our manufacturing and testing environments.
Cleanroom Assembly
Compliance Testing
What Is a Gel Seal HEPA Filter?
A Gel Seal HEPA Filter is a high-efficiency air filter designed for cleanroom terminal filtration systems that require a tighter seal than standard gasket-type filters. It uses a continuous gel channel on the filter frame, allowing the knife-edge of the housing to press into the gel and create an airtight sealing interface.
Critical Environment Applications
Efficiency Grades & Standards
Why Choose Gel Seal Over Standard Gaskets?
Zero Bypass Leakage
Unit-by-unit DOP/PAO scan leak testing ensures complete cleanroom integrity.
How to Choose the Right Gel Seal HEPA Filter
Before placing an order, confirm these critical specifications. These factors determine whether you need a standard gel seal HEPA filter or a fully customized solution for your cleanroom project.
Efficiency Grade
H13, H14, U15 or higher
Gel Seal Position
Top, side, or custom groove
Housing Structure
Compatibility with existing units
Airflow Requirement
Volume and pressure drop limits
Frame Material
Aluminum, Stainless Steel, etc.
Testing & Environment
DOP/PAO scan docs & site conditions
Unit-by-unit DOP/PAO scan leak testing guaranteed.
Need Help Matching Your Filter?
Send us your current filter model, housing drawing, size, airflow requirement, efficiency grade, and quantity. Our team will help you confirm the correct specification before production.
Gel Seal HEPA Filter vs Other HEPA Filter Options
Different HEPA filter structures are designed for different installation methods, sealing requirements, and cleanroom validation needs. If your project involves pharmaceutical cleanrooms, biosafety labs, semiconductor facilities, or terminal HEPA housings, choosing the right sealing method is critical for reducing bypass leakage and ensuring stable filtration performance.
Gel Seal vs. Gasket Seal
Gasket Seal (EVA/Neoprene)
Relies on mechanical compression against a flat frame. Over time, vibration or uneven tightening can cause the gasket to degrade or shift, risking microscopic bypass leaks.
Gel Seal (Polyurethane)
Utilizes a non-Newtonian fluid gel. The housing's "knife-edge" penetrates the gel, creating a self-healing, liquid-tight barrier. Guarantees zero bypass, essential for strict PAO/DOP validation.
Which Gel Seal Type?
Top Gel Seal
The gel channel is located on the upstream face of the filter frame. Designed for standard terminal ceiling housings where the knife-edge flange drops vertically down from the plenum.
Side Gel Seal
The gel channel surrounds the outer perimeter of the frame. Ideal for side-access housings, specific grid systems, or FFU (Fan Filter Units) where the knife-edge protrudes horizontally.
ClearFilter Recommended Selection
Choose a Gel Seal HEPA Filter if your project requires reliable sealing, cleanroom validation, strict leak testing, or installation in a knife-edge terminal housing. Choose Top Gel Seal or Side Gel Seal according to the actual housing structure. Choose our Gel Sealed Mini Pleat HEPA Filter when you need high-efficiency filtration with better airflow capacity and controlled pressure drop.
Frequently Asked Questions
Technical answers for engineering and procurement teams.
What is the difference between a gel seal HEPA filter and a gasket seal HEPA filter?
When should I choose a gel seal HEPA filter instead of a standard HEPA filter?
How do I choose between top gel seal and side gel seal HEPA filters?
What efficiency grades are available for Gel Seal HEPA Filters?
Can Gel Seal HEPA Filters be customized by size, frame material, and structure?
What test reports and documents can be supplied with the filter?
Do you support sample orders, OEM labels, and bulk project supply?
Need a Custom Gel Seal HEPA Filter?
Send us your filter size, efficiency grade, housing structure, and quantity. Our engineering team will help you confirm the right specification.
What You Get:
-
Free Specification Matching We help confirm top, side, or custom gel seal structure.
-
Project Quotation Support Accurate pricing based on real sizes and testing needs.
-
Leak Test Documentation DOP/PAO reports and datasheets available for validation.
Direct Contact:
Email: Annie.chen@clearfilterpro.com
Phone: +86 13538992575
Address: 30 Andeli, West Yuhua Road, Nanjing
Request a Custom Quote
Tell us your filter specifications or upload your current filter drawing. We will recommend a suitable solution.