Vent filter seal
Allows air to pass while blocking water and dust
This filter is moisture permeable, waterproof and dustproof, and can be attached to the hole part of the case to adjust the humidity inside the case and reduce condensation.
Request a Quote / Contact Us
f you would like a quotation based on product pricing or order quantity, please contact us here.
We will propose the optimal configuration tailored to your specific application and requirements.
For technical inquiries—such as specifications, installation methods, or compatibility with supported devices—please feel free to reach out as well.
Our specialists will support you from pre-deployment planning through to operational use.
Do you have any of these issues?
Does condensation form inside the enclosure?
Does the case expand or contract due to temperature changes?
Does moisture get trapped inside?
Solve these problems with a vent filter
Allows air to pass while blocking water and dust
The vent filter seal permits airflow while preventing water and dust from entering.
This helps stabilize internal pressure while maintaining waterproof performance.
As a seal-type product, it can be easily applied by simply attaching it to a case or enclosure.
Vent Filter Seal Features
Breathable, waterproof and dustproof filter
Allows air to pass
Blocks water
Blocks dust
The EPTFE material consists of a columnar structure of foamed polytetrafluoroethylene (PTFE).
The fiber structure ensures ventilation but does not allow moisture to pass through, thus maintaining dustproof and waterproof properties.
The seal-type filter is easy to install and remove.
The filter is highly resistant to water and repels water.
The filter is breathable, allowing adjustment of the pressure inside the case due to changes in temperature, etc.
Resistant to salt water, alcohol, acids, alkalis, and ultraviolet rays.
Main Usage Examples
Waterproof enclosures
Outdoor equipment
Electronic device enclosures
Sealed housings
Specifications
| Ventilation performance △P=70mbar | 2.9 L/Cm²/Min (minimum volume at standard temperature and pressure) 3.6 L/cm²/min (maximum volume at standard temperature and pressure) |
| Operating temperature | -40 °C 〜 +125 °C |
| IP Class | IP67 IP68 |
| Material | Polyester nonwoven fabric |
| Color | White |
| Thickness | 0.16±0.05mm |
| Size | VFS-21：Φ22.5mm / VFS-14：Φ14mm |
Request a Quote / Contact Us
f you would like a quotation based on product pricing or order quantity, please contact us here.
We will propose the optimal configuration tailored to your specific application and requirements.
For technical inquiries—such as specifications, installation methods, or compatibility with supported devices—please feel free to reach out as well.
Our specialists will support you from pre-deployment planning through to operational use.
FAQ
Q. How can it be waterproof while allowing air to pass through?
A. A special filter allows air to pass while blocking water and dust.
Q. Where should it be installed?
A. It is attached to the ventilation hole of a sealed case or waterproof enclosure.
Q. Can it be used outdoors?
A. Yes, it can be used for outdoor applications when combined with a waterproof case or enclosure.