Customized Polyester Fabric Air Filter Cartridge

Products Description

The custom polyester fabric air filter cartridge 205×368 is a pleated cylindrical filtration element engineered for industrial dust collection systems, HVAC air handling units, air compressor intakes, and ventilation equipment. This custom air filter is designed to deliver high-efficiency particulate removal in demanding air filtration applications.

The filter media is constructed from 100% spun-bonded polyester non-woven fabric—a synthetic material that offers superior mechanical durability, moisture resistance, and chemical compatibility compared to cellulose or paper-based alternatives. Unlike paper elements that soften and collapse under humid conditions or oil mist exposure, polyester media maintains its structural integrity in challenging industrial environments.

Specifications

Outer diameter	205 mm
Height	368 mm
Interface	304 stainless steel flange
Inner skeleton	304 stainless steel diamond mesh
Filter layer	Laminated polyester fabric
Working temperature	80℃
Customized	Yes
Origin	Henan,China

Features

High filtration efficiency. The surface coating effectively intercepts tiny particles, achieving excellent filtration results for submicron dust, achieving a high level of filtration accuracy and meeting stringent air quality requirements.

Excellent cleaning performance. The smooth surface of the coating prevents dust from adhering. During cleaning, dust quickly falls off, reducing filter resistance, ensuring stable operation, and reducing cleaning energy consumption.

Excellent moisture resistance. The polyester material inherently resists moisture, and the coating further enhances its resistance, allowing use in environments with high relative humidity without compromising filtration performance.

High strength and abrasion resistance allow it to withstand certain pressures and impacts, making it less susceptible to damage during use and extending the filter cartridge's service life.

Application areas

The Custom Polyester Fabric Air Filter Cartridge 205×368 is ideal for a wide range of industrial and commercial air filtration applications:

Industry / Application	Typical Uses
Industrial HVAC Systems	Air handling units (AHUs) in factories, warehouses, and manufacturing plants
Dust Collectors	Pre-filtration or main filtration for baghouses and cartridge collectors
Ventilation Systems	Workshops, paint booths, welding areas, and food processing facilities
Air Compressor Intakes	Protecting large rotary screw compressors from dust and debris
Agricultural Ventilation	Greenhouses, livestock barns, grain dryers, and crop storage
Power Generation	Gas turbine intake filtration and ventilation for generator rooms
Mining & Cement	Coarse dust filtration in heavy industrial environments
Spray Painting & Coating	Paint booths, powder coating operations
Woodworking	Dust extraction in wood processing facilities

Manufacturer & Supplier

Xinxiang City Huahang Filter Co., Ltd. is a national high-tech enterprise specializing in industrial filtration, with roots tracing back to 2003. With 20+ years of manufacturing experience, Huahang Filter operates from a modern ISO-certified facility and holds several national patents. The company is recognized as a Henan Provincial “Specialized and Sophisticated” SME.

Why Choose Huahang Filter

20+ Years of Manufacturing Excellence : Proven expertise in air filter element production with deep industry knowledge.
End-to-End Quality Control : ISO 9001:2015 and CE certified, with stringent inspection checkpoints across every production line .
OEM Customization Expertise : Custom sizes, filtration ratings, media types, surface treatments, and connection configurations available.
Factory Direct Supply : Competitive pricing and reliable delivery as a factory-direct manufacturer.
Global Reach : Products exported to over 100 countries across Europe, America, and Southeast Asia.
Comprehensive Product Portfolio : Air filters, oil filters, hydraulic filters, sintered filters, and more.

FAQ

Q1: Is polyester air filter media moisture-resistant?
A1: Yes. Polyester inherently resists moisture and does not degrade when exposed to humid air, unlike paper elements that soften and collapse under such conditions. It remains unaffected by high relative humidity and is suitable for humid industrial environments.

Q2: What is the difference between polyester and cellulose air filters?
A2: Cellulose filters are economical but less durable—they degrade in humid or oily conditions.

Polyester filters offer superior durability, moisture resistance, chemical resistance, and longer service life, making them suitable for more challenging applications.

Q3: Can you customize the filter cartridge for my specific equipment?
A3: Yes. Huahang Filter specializes in custom manufacturing. We offer custom sizes (diameter and height), custom interfaces (flanges, quick-release), custom materials (high-temperature, corrosion-resistant), and custom structures (anti-corrosion coatings, pleat count optimization).

Q4: How can I extend the life of my dust filter cartridges?
A4: Key methods include: setting appropriate cleaning pressure and pulse cycles to avoid over- or under-cleaning; pre-coating new cartridges with powder to form a protective layer; ensuring proper installation with intact seals; and controlling inlet dust concentration to avoid overloading.

FAQ

What is the difference between a standard filter and a custom filter?

Standard filters are mass-produced in fixed sizes and specifications, while custom filters are designed to match specific equipment dimensions, operating conditions, and filtration requirements. Custom filters improve sealing, efficiency, and service life.

How do I select the right filter for my application?

Filter selection depends on fluid or air type, particle size, flow rate, pressure, temperature, and compatibility with the system. Providing operating data helps ensure optimal filtration performance.

Will your replacement filter cartridges damage my equipment? Is the quality guaranteed?

Absolutely not. Our replacement filter cartridges strictly adhere to OEM dimensions, interfaces, and performance standards, using equivalent or superior filter materials, and have passed rigorous ISO testing and end-user validation. We provide a quality guarantee to ensure the safe operation of your equipment.

We don't have a specific model number, only operating condition requirements. Can you help us select a suitable model?

Yes, but you need to provide:

① the filtering medium (oil, gas, water, chemical liquid?);

② flow rate, pressure, and temperature;

③ required filtration accuracy;

④ connection type.

Our technical team will recommend the most economical solution for you.

How can I ensure that this filter element can be adapted to my device/system?

We have multiple ways to ensure compatibility:

Provide original filter element information: Please provide the brand, model, clear photos or detailed dimension drawings of your existing filter element (especially the interface type and size, length, outer diameter, inner diameter).

Provide equipment information: Tell us your equipment brand, model or application scenario, etc.

Contact us: Our technical team has rich experience and can quickly determine or design a fully compatible replacement filter element based on the information you provide. It is recommended that you contact us directly to obtain the most accurate adaptation plan.

How do you ensure the quality and performance of the filter element?

Quality is our lifeline. We insist on:

Strict material selection: Use high-quality raw materials that meet industry standards.

Advanced technology: Use automated or precision-controlled production processes.

Multiple quality inspections: Implement full-process quality inspections from raw material storage to finished product delivery (including size, sealing, filtration efficiency, integrity testing, etc.).

Performance testing: Key products will undergo actual working condition simulation testing.

Compliance with standards: Our production and products comply with [e.g.: ISO 9001].

Customized verification: For customized filter elements, we will confirm key performance indicators with customers and provide test reports (if necessary).

What is a dust collector filter used for?

Dust collector filters remove airborne dust and particulate matter from industrial processes such as welding, grinding, woodworking, and powder handling to protect equipment and improve air quality.

How often should dust collector filter cartridges be replaced?

Replacement depends on dust load, operating hours, and cleaning efficiency. A consistent increase in pressure drop is a common indicator that the filter needs replacement.

Can dust collector filters be cleaned and reused?

Many cartridge filters are designed for pulse-jet cleaning, but they are not permanently reusable. Over time, media fatigue reduces performance and replacement becomes necessary.

What micron rating is best for hydraulic oil filtration?

Common hydraulic filters range from 3 to 25 microns. The optimal rating depends on system sensitivity and manufacturer specifications.

What happens if a hydraulic oil filter is not replaced on time?

Delayed replacement can cause pressure loss, valve sticking, pump wear, and reduced system efficiency, leading to costly downtime.

Where are precision filters commonly used?

Precision filters are widely used in electronics manufacturing, pharmaceuticals, food processing, chemical processing, and high-purity fluid systems.

How does precision filtration affect system performance?

Precision filtration improves product quality, extends equipment life, and reduces unplanned downtime caused by contamination.

What is the difference between a coalescer filter and a separator filter?

They are two distinct technologies often used together to remove liquids from a gas or liquid stream. The key difference is their core function:

A Coalescer Filter merges tiny, invisible liquid droplets into large, heavy ones.

A Separator Filter catches and drains those large droplets from the flow.

How They Work:

Coalescer: The stream passes through a special media (like fine fibers). Microscopic aerosol droplets collide and merge (coalesce) into drops large enough to drain. It solves the problem of suspended mist.

Separator: The flow then enters a chamber with baffles or vanes. The now-large droplets hit the surfaces, fall out by gravity, and collect in a sump. It provides the final, clean separation.

Are stainless steel filter elements washable?

Yes, most stainless steel filter elements can be cleaned using backflushing, ultrasonic cleaning, or chemical cleaning methods.

Custom Polyester Fabric Air Filter 205×368

Products Description

Specifications

Features

Application areas

Manufacturer & Supplier

Why Choose Huahang Filter

FAQ

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