Please note that the claims being made in the following communication only apply to European countries. For locations outside of the European Economic Area (EEA) you should first review local regulatory restrictions. For the USA, the product is not available until the pending registration with the United States Environmental Protection Agency (US EPA) has been completed.
High-performance filters for air purifiers
Realize your innovative air purifier concept
With our one-stop service, we develop and supply a wide range of individual filters for protection against (ultra) fine particles, hazardous gases, odors, microorganisms, bacteria and viruses to improve indoor air quality for healthy living.
Maintain or strengthen your market position
Equip your room air purifiers with our filters now
More and more families or allergy sufferers are opting for one or more air purifiers.
- An air purifier is usually less expensive than a whole-house fresh air system
- It can be easily moved to another location
- Our HEPA filter has been shown to improve indoor air quality and reduce allergens
- Our multifunction filters significantly improve the performance of your device
National and international standards
The filter in an air purifier captures various indoor air pollutants, such as PM 2.5, (ultra-)fine particles, formaldehyde, toluene, odors, allergens, etc. We provide one-stop solutions including HEPA filters, gas phase filters, combifilters and anti-allergy filters.
Our filters meet the highest requirements of various national and international standards, including Chinese standard GB/T 18801:2015, ANSI/AHAM AC-1:2020 and Japanese standard JEM 1467:2015.
Filter combination
Optimal one-stop shop solutions with a multitude of filter design options
To achieve the air quality requirements of your air purifiers, we combine air filters of different classes and designs into multi-stage systems. Multi-stage filtration systems ensure effective filtration to protect people and save energy.


Discover our products for air purifier
Particle removal filters
HEPA filter

Various materials can be used according to customers' requirements, including: melt blown man-made fibers, needled cotton, glass fibers and other functional composite solutions. High quality independent production and customized filtration solutions for different product performances, sizes and requirements.
PTFE filter

Complete physical interception filtration for efficient removal of fine dust. The filter is washable and reusable. Customized filtration solutions can be offered according to the performance, size and requirements of the various air cleaners.
eiPURE filter

Freudenberg patented technology with lower air resistance to achieve less noise for air purifiers. The filter inactivates bacteria and viruses, is washable and reusable.
Gas removal filters
Carbon filter

Various filter materials can be adapted for different target gases, including ceramic, sponge, spray cotton and other carriers.
Catalyst filter

Different catalyst formulations can be adapted for different target gases on different substrates such as ceramics, sponges and spray cotton. The filter is recyclable and has a long service life.
Ozone filter

Various substrates can be adapted, e.g. sponge, ceramic, etc.
Health functional filter
Antibacterial filter

Using a special antibacterial formula, the elimination rate of Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, Pseudomonas cuprum and Salmonella typhimurium in air reaches more than 99.9%. The formula is certified by EPA, BPR and other certification organizations.
Anti bacterial/allergy filter

The patented independently developed formula can effectively remove allergens from mites, pollen, mold, animals and more. Different formulations can be customized for different allergens.
Antivirus filter

The unique fruit extract basis captures and inactivates bacteria and viruses with superior long-term efficacy. Additives are used that are free of nano-silver ions, have high long-term stability and are scientifically proven to be safe for humans. This solution is certified according to EPA, BPR and other relevant certifications.