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The Jyntrel fresh air / fresh air conditioning HEPA filter is a composite panel filter that combines polypropylene filter media with a modified activated carbon layer for dual-effect particle and odour control. It captures fine particulate matter such as PM2.5 and pollen while adsorbing formaldehyde, TVOC and other odours, and is offered from F7/F8/F9 medium-efficiency up to H11/H12/H13 HEPA grades. It is built for wall-mounted fresh air units, cabinet fresh air air conditioners and residential or commercial central fresh air (HVAC) systems, and is supplied by Jyntrel with full OEM/ODM customisation to match each host unit.
In a fresh air system the filter sits in the outdoor-air path, so it sees the full incoming dust load before any room-side recirculation. Air enters the panel face, passes through the composite PP media where particles are held, and then crosses the activated carbon layer, which adsorbs odours and gaseous contaminants. Because the filter is the first barrier for outdoor air, its pressure drop and dust-holding behaviour shape the whole system: fan curve, duct static pressure and terminal airflow all shift as the filter loads.
Velocity through the panel is set by face area and airflow. Higher face velocity raises initial resistance and can shorten service life in dusty locations, so the filter is specified against the unit's rated airflow rather than by size alone. In coastal or humid climates the carbon layer also meets moisture-laden air, and pre-filtration upstream (for example G4 pre-filters ahead of an F7/F8 stage) reduces the load on the HEPA element. Jyntrel tests resistance and cleaning efficiency before shipment so that the delivered filter matches the airflow assumptions used in selection.
The composite PP media is the main particle barrier. PM2.5, pollen and other fine particles are intercepted as air passes through the pleated or flat panel, with efficiency selected across F7/F8/F9 medium-efficiency and H11/H12/H13 HEPA classes to suit the host unit and target market.
The high-iodine-value activated carbon layer adds the second function: deep adsorption of formaldehyde, TVOC and odours. This dual-effect design means one filter handles both particulate and gaseous load, which simplifies the air path in compact fresh air units and fresh air air conditioners where space for separate stages is limited.
Structural options include flat panel, V-bank pleated and composite formats, moulded and built to the customer's unit requirements, so the filter fits the existing frame and airway without redesign of the appliance.
Selection starts from the air path, not the part number. To propose the right filter we need the host unit or vehicle model, the required size or a drawing, the rated airflow, and the operating conditions: incoming air quality, humidity, temperature and expected running hours. Quantity and target market come next, since export destinations may call for specific compliance documents.
From that data we define media grade (F7/F8/F9 to H11/H12/H13), format (flat, V-bank or composite), frame and overall dimensions, and branding and packaging. Jyntrel supports OEM/ODM customisation of size, structure, media grade, frame material, logo and packaging, and has developed more than 1000 filtration solutions across projects. Where the unit is new, our team designs to the appliance structure; where it is existing, we work from the drawing or a physical sample.
| Item | Detail |
|---|---|
| Product name | Fresh air system / fresh air air conditioner composite filter |
| Core filtration media | Composite PP (polypropylene) filter paper plus modified deodorising activated carbon |
| Particle filtration efficiency | F7 / F8 / F9 (medium efficiency) through H11 / H12 / H13 (HEPA) |
| Core performance | Dual effect: removal of fine particulate matter (PM2.5, pollen) plus deep adsorption of formaldehyde, TVOC and odours |
| Product application categories | Fresh air system deodorising filter, fresh air air conditioner high-efficiency filter, fresh air machine HEPA composite cartridge |
| Main application scenarios | Household wall-mounted fresh air units, cabinet fresh air air conditioners, household and commercial central fresh air systems (HVAC) |
| Size and specification customisation | Moulded and built fully to the customer's unit requirements; flat panel, V-bank pleated and composite formats supported |
| Quality and certification | Strict resistance and cleaning-efficiency testing before shipment; production follows ISO 9001 quality management and IATF 16949 international certification; materials are environmentally safe |
Jyntrel operates multiple automated production lines with monthly capacity of millions of pieces, which supports stable supply for OEM programmes and repeat orders. Production runs in a 50,000 m² plant in Zhongshan, Guangdong, China, including 6 clean rooms totalling 20,000 m², so filter media are handled in a controlled environment.
Every filter is tested for resistance and cleaning efficiency before shipment, and our own laboratory holds CNAS (China National Accreditation Service for Conformity Assessment) accreditation and can issue test reports covering filtration efficiency, dust-holding capacity and resistance. Quality control follows IQC, IPQC and OQC through the whole process, and production complies with ISO 9001 and IATF 16949, with ISO 14001 and ISO 45001 system certification also held. Products meet REACH and RoHS requirements and compliance documents can be provided. With more than 20 years of filtration development and manufacturing experience and over 20 years of continuous export to Europe, the United States, Japan and South Korea, we support supply stability for customers in these markets.
To move from requirement to quotation, send us the device or vehicle model, the size or a drawing, the rated airflow (or water flow where relevant), the operating conditions, and your target quantity. Our team will respond with a proposed media grade, format and dimensions matched to your air path. Start the conversation through our contact page.
The filter covers F7/F8/F9 medium-efficiency grades and H11/H12/H13 HEPA grades, selected to suit the host unit and target market. It is used in household wall-mounted fresh air units, cabinet fresh air air conditioners, and household and commercial central fresh air (HVAC) systems. Efficiency and resistance data are verified in Jyntrel's CNAS-accredited laboratory.
The panel is specified against the unit's rated airflow, because higher face velocity raises initial resistance and can shorten service life in dusty locations. Sizing the filter to the actual airflow keeps pressure drop within the fan curve and preserves terminal airflow. Share your airflow and duct arrangement and we will propose the matching face area and grade.
We need the rated airflow of the host unit, the available filter size or a drawing, and the operating conditions: incoming air quality, humidity, temperature and expected running hours. The device or vehicle model and target quantity complete the picture. With these we can propose media grade, format and dimensions for your air path.
Yes. Jyntrel supports OEM/ODM customisation of size, structure, media grade, frame material, logo and packaging, in flat panel, V-bank pleated and composite formats. Filters are moulded and built to the customer's unit requirements, and our team has developed more than 1000 filtration solutions across projects. Send a drawing or sample and we will design to your appliance structure.
Yes. We welcome sample evaluation, and can supply test reports covering filtration efficiency, initial resistance and dust-holding capacity from our CNAS-accredited laboratory. Quotations follow review of your airflow, size and operating conditions. Contact us through the <a href="/en/contact">contact page</a> with your device or vehicle model and requirements.
Standard products typically start at 500–1000 pieces, and customised items are agreed according to specification complexity; flexible small trial orders are supported for new customers. Standard stock items ship within 7–15 days, custom first orders usually take 25–35 days, and repeat orders 15–25 days. Monthly capacity of millions of pieces supports large-volume delivery.
Under standard fresh air system conditions the typical service life is 6–12 months, depending on ambient air quality, running hours and the pre-filtration configuration. In areas with high PM2.5, pairing a G4 pre-filter with an F7/F8 stage extends the life of the HEPA main filter. We can supply specifications with different dust-holding capacities for your target market.
Production runs in a 50,000 m² plant including 6 clean rooms totalling 20,000 m², and every filter is tested for resistance and cleaning efficiency before shipment. IQC, IPQC and OQC controls run through the whole process, under ISO 9001 and IATF 16949, with ISO 14001 and ISO 45001 certification also held. Our CNAS-accredited laboratory issues the supporting test reports. Send your operating conditions through the <a href="/en/contact">contact page</a> to begin an inquiry.