...
Direct from HEPA Filter Manufacturer – No Middleman!

HEPA Filter Manufacturer

20+ Years

With over 20 years of experience in air filtration manufacturing, ClearFilter specializes in industrial HEPA filters with advanced production and testing facilities.

OEM & ODM

ClearFilter provides OEM & ODM services, equipped with multiple automated HEPA filter production lines, precision assembly systems, and efficiency testing machines.

Personal engineer

From initial consultation to production and after-sales, ClearFilter assigns a dedicated engineer to provide one-on-one technical and project support throughout the process.

Our Industrial HEPA Filters

Our HEPA filter series includes mini-pleat filters, separator filters, and high-temperature HEPA filters — all ensuring stable filtration efficiency and low resistance. We offer multiple standard sizes and support full OEM customization.

H13 Mini-Pleat HEPA Filter

Designed for cleanrooms and HVAC systems, featuring low resistance, high dust-holding capacity, and stable H13 filtration efficiency.

H14 High-Temperature HEPA Filter

Suitable for high-temperature environments such as coating lines and ovens. Made with glass fiber media and stainless steel frame for durability. 参数

Separator HEPA Filter

Constructed with aluminum separators to maintain airflow uniformity and ensure long-term performance under variable air volume systems.

V-Bank HEPA Filter

High airflow capacity with low resistance, ideal for large-volume ventilation systems and air handling units.

Compact HEPA Filter for Equipment Integration

Designed for compact devices, FFUs, and air purifiers. Lightweight, durable, and efficient in space-limited environments.

Custom Size HEPA Filter

Supports fully customized dimensions and filtration grades to match your equipment models and air systems.

Fully Customizable

Custom HEPA Filter Solutions for Your Air Filtration Systems

HEPA Filter Advantages

In-House Manufacturing

All HEPA filters are 100% produced in our own factory, from frame processing to filter media assembly. This ensures full quality control, stable performance, and competitive factory-direct prices.

Strict Quality Inspection

Each HEPA filter is tested individually for efficiency, air leakage, and pressure drop before delivery. We provide full inspection reports for every batch to guarantee performance and reliability.

Fast Production & On-Time Delivery

Standard models are in stock. For custom orders, our streamlined production and material supply chain ensure rapid turnaround and punctual delivery.

Advanced Production Equipment

Equipped with precision CNC machines, automatic folding and gluing lines, leak detection systems, and test benches compliant with EN1822 standards.

Customized Solutions

Support for OEM & ODM. We can customize frame material, media type (glass fiber, PTFE, mini-pleat), efficiency grade, and dimensions based on your specific HVAC or cleanroom application.

Technical Support from Professional Engineers

Each client is assigned a dedicated engineer for one-on-one service — from project consultation to installation guidance and after-sales support.

Where our HEPA filters are used

From cleanroom systems to industrial dust collection and HVAC applications, ClearFilter delivers reliable, high-performance air filtration for every environment.

Cleanroom Filtration

High-efficiency HEPA and ULPA filters for pharmaceutical, semiconductor, and medical cleanroom systems.

HVAC & Air Handling Units

Custom HEPA filters for commercial and industrial air conditioning systems, ensuring clean and safe airflow.

Industrial Filtration

Durable and large-surface filters for factories, coating lines, and electronic manufacturing dust collection.

Medical & Laboratory Applications

Precision filtration solutions for hospitals, biological labs, and diagnostic facilities

OEM / ODM Services

Full support for customized design, labeling, and packaging for global HVAC and filtration equipment brands.

Our Filtration Solutions

From cleanroom systems to industrial dust collection and HVAC applications, ClearFilter delivers reliable, high-performance air filtration for every environment.

20+
Years of Experience

About ClearFilter

ClearFilter Air Filtration Technology Co., Ltd. was established in 2003, covering an area of 20,000 square meters, including 10,000 square meters of production workshop.

Located in Dongguan, China, ClearFilter is one of the early manufacturers in the country specializing in the development and production of industrial air filtration products. With advanced automated production lines and precision testing equipment, we provide reliable filtration solutions for global industrial and commercial applications.

Our main products include HEPA filters, ULPA filters, panel filters, activated carbon filters, and other customized air filtration components. These products are widely used in cleanrooms, HVAC systems, laboratories, pharmaceutical production, and electronics manufacturing.

With a strong focus on quality, innovation, and customer service, ClearFilter continues to support OEM and ODM projects worldwide, delivering high-efficiency filters that meet ISO, EN, and international clean air standards.

Our production environment

At ClearFilter, every HEPA filter is produced in a controlled cleanroom environment to ensure consistent quality and filtration performance.
We operate multiple automated production lines equipped with precision pleating, sealing, and leak-testing equipment.

Professional HEPA Filter Manufacturer You Can Rely On

With 5 years of industry experience, I understand your filtration needs and provide tailored, high-quality solutions to ensure optimal performance.

 

Project Construction

With extensive project experience, we design tailored solutions to meet your specific needs—delivering high-quality results at competitive costs.

Common Questions

Most Popular Questions.

We have listed some questions you may ask. If you have more inquiries about our products, you can send an inquiry to contact us.

We produce a wide range of HEPA filters, including H10–H14, pocket filters, and customized designs to suit various industrial and commercial applications.

Yes, we offer fully customizable filters to meet your airflow, size, and performance requirements.

 

Our filters achieve 99.97% efficiency at 0.3 microns and are tested to meet international standards.

We use high-quality fiberglass or synthetic filter media combined with durable frames to ensure long-lasting performance.

Each filter undergoes strict quality control and testing before shipment, ensuring consistent performance for every order.

 

Lead time depends on quantity and customization, but we strive to deliver as efficiently as possible while maintaining top quality.

Cut Out the Middleman – Source Direct from the Manufacturer

As a HEPA filter manufacturer, we offer fully customizable filters in terms of size, efficiency class, and frame materials. With years of production experience, choosing us ensures you get high-quality filters at the best price.

Request Samples Today!

See the quality of our HEPA filters for yourself. Once satisfied, let’s start our cooperation and bring optimal solutions to your projects.

Do you have two minutes?
We’re more than just a manufacturer or supplier. When you reach out, you'll get practical advice and tailored support from industry experts — saving you time, cost, and stress.

Get Free Quote

Tell us what you need — we’ll handle the rest.

Do you have two minutes?
We’re more than just a manufacturer or supplier. When you reach out, you'll get practical advice and tailored support from industry experts — saving you time, cost, and stress.

Get Free Quote

Tell us what you need — we’ll handle the rest.

Seraphinite AcceleratorOptimized by Seraphinite Accelerator
Turns on site high speed to be attractive for people and search engines.