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The Jyntrel rotary humidifier filter is a self-priming evaporative filter made from spunlace nonwoven fabric, designed to remove calcium and magnesium ions from water and release moisture without white powder. It filters and evaporates water in cold-evaporation, mist-free humidifiers, air purifiers with humidification modules, and industrial constant-temperature and constant-humidity air-handling units. It suits appliance OEMs, HVAC engineers, and brand owners who need a stable, custom-fit humidification filter for their own equipment. Jyntrel manufactures this filter in Zhongshan, Guangdong, China, and supports full OEM tooling based on the customer's device drawing.
This filter works in a wet, rotating duty cycle. It sits partly immersed in the water tank, turns through the water, and carries a water film into the air stream, where evaporation takes place. The airflow path is therefore from the humidifier's fan, across the wetted filter surface, and into the room or duct. Because the filter is continuously wetted and rotated, its stiffness and its resistance to softening and shedding matter as much as its absorption rate.
For systems engineers, the relevant operating variables are water quality, water temperature, airflow velocity across the filter, and the number of operating hours per day. Soft water or purified water reduces scale loading and keeps the capillary structure open. The spunlace fabric is treated for long-term antibacterial and anti-mould performance, which addresses the sour odour and slime that can develop in tanks that are kept wet for long periods. The reinforced stiffness treatment is intended to keep the filter from collapsing or separating after prolonged soaking and rotation in the water trough.
The filter is not a HEPA stage and is not intended to remove fine particulate from the air. Its function is water-side: physical interception of hardness ions, fast capillary wicking, and rapid evaporation. In an air purifier with a humidification module, it should be placed after the main particle filtration stage so that the air reaching the filter is already cleaned, and so that the evaporated moisture is not carrying dust into the room.
The performance story is cold evaporation without white powder. As water is drawn through the humidifier paper or polymer humidifier fibre, calcium and magnesium ions are physically intercepted, so the moisture released to the air does not leave the fine white dust associated with ultrasonic humidifiers. Capillary absorption is designed to be fast, so the filter re-wets quickly on each rotation and evaporation stays even across the working surface.
The second performance axis is hygiene. Long-term antibacterial and anti-mould treatment is applied to resist bacterial growth and mould in the wet section, which helps prevent the tank from turning sour or developing odour. The third axis is mechanical durability: a special stiffness-enhancing process gives the filter high wet stiffness, so it does not soften, collapse, or come apart during long soaking and repeated rotation in the water tank.
Because output depends on the device, the airflow, the water hardness, and the filter area, Jyntrel does not quote a single efficiency figure for all applications. Instead, the filter is matched to the customer's humidifier design, and performance can be verified in the company's CNAS-recognised laboratory.
Selection starts from the device, not from a catalogue number. The filter is made to the customer's whole-machine drawing, so the gear ring, the central shaft interface, the humidification area, and the thickness are all part of the tooling scope. Injection-moulded plastic gear rings, centre shaft interfaces, and the humidification area and thickness can all be tooled and produced by Jyntrel.
To quote accurately, please provide the following:
With these inputs, Jyntrel can select the humidifier paper or humidifier fibre grade, define the stiffness treatment, and propose a tooling and sampling plan.
| Item | Detail |
|---|---|
| Product name | Rotary humidifier filter / humidifier rotary filter element / evaporative humidifier filter |
| Core filtration and humidification material | High-absorption humidifier paper / polymer humidifier fibre (spunlace fabric) |
| Core purification and humidification performance | Physical interception of calcium and magnesium ions in water (evaporation without white powder), strong capillary water absorption for fast evaporation, long-term inhibition of bacteria and mould |
| Physical structure and mechanical advantages | Special stiffness-enhancing process; high wet stiffness; does not soften, collapse, or come apart after long soaking and rotation in the water tank |
| Main end applications | High-end cold-evaporation mist-free humidifiers, air purifiers with humidification modules, industrial constant-temperature and constant-humidity air-handling units |
| Frame and dimensional customisation | 100% OEM tooling based on the customer's whole-machine drawing; injection-moulded plastic gear ring, centre shaft interface, and humidification area and thickness can all be tooled and produced |
| Quality certification system | Produced with the company's 50,000 m² plant and CNAS-recognised testing centre; the company holds ISO 9001, ISO 14001, and IATF 16949 certification |
The filter is used in high-end cold-evaporation mist-free humidifiers, where the rotating drum carries water into the air stream and releases it as vapour. It is also used in air purifiers that include a humidification module, and in industrial constant-temperature and constant-humidity air-handling units where stable moisture output is required. In each case, the filter is matched to the host device's drive interface and water tank geometry, so the same material platform can serve different appliance designs.
For HVAC engineers, the relevant point is that the filter behaves as a wet evaporative medium rather than a dry air filter. It should be specified with the water quality and the rotation duty in mind, and it should be replaced on a schedule that reflects the local water hardness and the hours of use.
Jyntrel has more than 20 years of filter product research, development, and manufacturing experience, and has been exporting to Europe, the United States, Japan, and South Korea for more than 20 years, which supports supply stability for long-running appliance programmes. Multiple automated production lines give a monthly capacity of millions of pieces, so volume orders and seasonal peaks can be planned.
The production base covers 50,000 m² in Zhongshan, Guangdong, China, including 6 clean workshops with a combined area of 20,000 m². The company's own laboratory is CNAS-recognised and can issue test reports for filtration efficiency, dust holding capacity, and resistance, and the humidifier filter can be verified for evaporation performance in the same laboratory. Quality control runs through IQC, IPQC, and OQC. The company holds ISO 9001, ISO 14001, and ISO 45001 certification, and obtained IATF 16949 certification in 2024. Products meet REACH and RoHS environmental requirements, and compliance documents can be provided.
OEM and ODM support covers size, structure, filter material grade, frame material, logo, and packaging. More than 1,000 filter solutions have been developed in total.
To receive a solution-oriented quote, send the device or vehicle model, the filter size or a drawing, the airflow or water flow, the operating conditions, and the estimated quantity. Jyntrel will respond with a material and tooling proposal matched to your humidifier's air path and water-side duty. Start here: contact Jyntrel.
The filter is an evaporative medium, so the air velocity across its surface affects how much moisture is carried away. Very high velocity can reduce contact time and increase carry-over, so the fan and the filter area should be matched to the target output. Jyntrel can verify evaporation performance for your airflow in its CNAS-recognised laboratory.
Please provide the airflow through the humidifier, the fan arrangement, and the expected pressure drop across the filter, together with the target humidification output. If airflow is not yet fixed, the target output and the device drawing are enough to start. The filter is then matched to the air path and the water tank geometry.
Yes. The filter physically intercepts calcium and magnesium ions from the water, so the moisture released by cold evaporation does not carry the fine white dust associated with ultrasonic humidifiers. Performance depends on water hardness, so soft or purified water is recommended. This is a water-side interception function, not a particle filtration rating.
Yes. The filter is made 100% to the customer's whole-machine drawing, and the injection-moulded plastic gear ring, centre shaft interface, and humidification area and thickness can all be tooled by Jyntrel. Send the drawing or the device model and the required dimensions. OEM and ODM support also covers filter material grade, frame material, logo, and packaging.
Standard samples can be provided free of charge with freight collect, while custom tooled samples carry a sampling fee that is refundable against a bulk order. The standard MOQ is 1,000 pcs; customised versions are generally 3,000 pcs or more, depending on the tooling and material. Confirm the exact MOQ with the Jyntrel team for your specification.
Regular stock items are prepared in 7–15 days, and OEM customised orders take about 25–35 days. Tooling projects add a separate mould cycle on top of that. Jyntrel's 50,000 m² plant and multiple automated lines support peak-season delivery planning.
Under normal household use of 8 hours per day with purified or soft water, the standard spunlace humidifier filter is recommended for replacement every 3–6 months. The high-end antibacterial version can extend to 6–12 months. Actual life depends on water hardness and operating hours, and can be simulated in the Jyntrel laboratory.
Yes. Share the device model, size or drawing, airflow or water flow, water source, hours per day, and quantity, and Jyntrel will propose the material grade and stiffness treatment for your duty. This is the fastest route to an accurate quote. Contact Jyntrel through the inquiry form to begin.