Filter cartridges are high-efficiency filtration elements used in industrial dust collection systems to capture airborne dust, fine particles, fumes, and other contaminants generated during manufacturing processes. They are widely used in industries such as metalworking, woodworking, pharmaceuticals, food processing, cement, mining, and chemical production. Compared with traditional filter bags, filter cartridges provide a larger filtration area within a compact space, resulting in higher filtration efficiency, lower pressure drop, and reduced maintenance costs.
Description



Advantages of Cartridge Dust Collectors
- Superior Surface Filtration: Utilizes surface filtration rather than deep-bed filtration, preventing dust from penetrating into the core material and greatly increasing overall dust removal efficiency.
- Space & Cost Savings: The compact design significantly reduces the physical footprint and structural load of the equipment, saving on civil construction space and capital investment.
- No Moving Mechanical Parts: The main collector body lacks moving parts, reducing immediate mechanical wear and tearing of the filter media during operation.
- Resilient Media: The rigid, pleated filter material resists moisture, water, abrasion, and corrosion.
Structural Breakdown
Located at the very top, this high-elasticity gasket ensures a 100% airtight seal between the filter cartridge and the dust collector’s tube sheet , preventing fine dust from bypassing the filter.
Sturdy galvanized steel, stainless steel end caps, or plastic caps securely encase the top and bottom of the pleated filter media, providing structural rigidity while ensuring precise alignment during installation.
Positioned both on the inner core and the outer surface, these expanded metal grids prevent the pleated fabric from collapsing under heavy negative pressure or expanding/bursting during high-pressure pulse-jet cleaning.
The functional heart of the cartridge. By pleating this synthetic media, the effective filtration area is expanded exponentially. The flame-retardant treatment prevents sparks (common in welding or cutting applications) from igniting the dust collector.

Filmedia® – Dust Collector Filter Cartridge Manufacturer
With advanced filtration materials, precision manufacturing, and strict quality control, Filmedia® filter cartridges deliver superior dust removal efficiency, longer service life, and stable operating performance even under demanding conditions. From cement, chemical, and metal industries to food processing and pharmaceuticals, Filmedia® provides reliable filtration solutions that help improve air quality, reduce maintenance costs, and enhance production efficiency worldwide.



Selection of Filter Materials
Filmedia® offers a wide range of filter media and structural options to meet diverse dust filtration and operational requirements.
Cellulose-Based Media
| No. | Material Composition |
|---|---|
| 1 | Cellulose (base media) |
| 2 | Cellulose + Flame Retardant |
| 3 | Cellulose + Nanomembrane |
| 4 | Cellulose + Anti-static |
| 5 | Cellulose + Flame Retardant + Nanomembrane |
| 6 | Cellulose + Flame Retardant + Anti-static |
| 7 | Cellulose + Nanomembrane + Anti-static |
| 8 | Cellulose + Flame Retardant + Nanomembrane + Anti-static |
Polyester-Based Media
| No. | Material Composition |
|---|---|
| 1 | Polyester (base media) |
| 2 | Polyester + Membrane Coating |
| 3 | Polyester + Flame Retardant |
| 4 | Polyester + Anti-static |
| 5 | Polyester + Membrane + Flame Retardant |
| 6 | Polyester + Membrane + Anti-static |
| 7 | Polyester + Flame Retardant + Anti-static |
| 8 | Polyester + Membrane + Flame Retardant + Anti-static |
Dimensions and Specifications
- Paper Pleated Filter Cartridge
| No. | Size (mm) | Type | Top Cover OD | Top Cover ID | Bottom Cover OD | Bottom Small Hole |
|---|---|---|---|---|---|---|
| 1 | 324×660 | Cylindrical, both ends open | Φ324 | Φ213 | Φ324 | None |
| 2 | 324×660 | Cylindrical, single open end | Φ324 | Φ213 | Φ324 | Φ14 |
| 3 | 324×1000 | Cylindrical, both ends open | Φ324 | Φ213 | Φ324 | None |
| 4 | 324×1000 | Cylindrical, single open end | Φ324 | Φ213 | Φ324 | Φ14 |
| 5 | 324×1000 | Square flange/cap plate type | 406×424 | Φ213 | Φ324 | None |
| 6 | 352×660 | Cylindrical, both ends open | Φ352 | Φ241 | Φ352 | None |
| 7 | 352×660 | Cylindrical, single open end | Φ352 | Φ241 | Φ352 | Φ16 |
| 8 | 352×1000 | Cylindrical, both ends open | Φ352 | Φ241 | Φ352 | None |
| 9 | 352×1000 | Cylindrical, single open end | Φ352 | Φ241 | Φ352 | Φ16 |
| 10 | 408×660 | Conical, both ends open | Φ408 | Φ293 | Φ324 | None |
| 11 | 460×660 | Conical, both ends open | Φ460 | Φ345 | Φ352 | None |
- Polyester Pleated Filter Cartridge
| No. | Size (mm) | Type | Top Cover OD | Top Cover ID | Bottom Cover OD | Bottom Small Hole |
|---|---|---|---|---|---|---|
| 1 | 324×660 | Cylindrical, both ends open | Φ324 | Φ213 | Φ324 | None |
| 2 | 324×660 | Cylindrical, single open end | Φ324 | Φ213 | Φ324 | Φ14 |
| 3 | 324×1000 | Cylindrical, both ends open | Φ324 | Φ213 | Φ324 | None |
| 4 | 324×1000 | Cylindrical, single open end | Φ324 | Φ213 | Φ324 | Φ14 |
| 5 | 324×1000 | Square flange (clamp plate type) | 406×424 | Φ213 | Φ324 | None |
| 6 | 324×1200 | Square flange (clamp plate type) | 406×424 | Φ213 | Φ324 | None |
| 7 | 352×660 | Cylindrical, both ends open | Φ352 | Φ241 | Φ352 | None |
| 8 | 352×660 | Cylindrical, single open end | Φ352 | Φ241 | Φ352 | Φ16 |
| 9 | 352×1000 | Cylindrical, both ends open | Φ352 | Φ241 | Φ352 | None |
| 10 | 352×1000 | Cylindrical, single open end | Φ352 | Φ241 | Φ352 | Φ16 |
- Polyester Fine Filter Cartridge (Plastic Cap)
| No. | Tube Sheet Diameter | Top Cover OD | Bottom Cover OD | 1 m Length (m²) | 2 m Length (m²) | 3 m Length (m²) |
|---|---|---|---|---|---|---|
| 1 | Φ133 | Φ142 | Φ120 | 1.5 | 3.0 | 4.5 |
| 2 | Φ153 | Φ160 | Φ140 | 2.1 | 4.2 | 5.3 |
| 3 | Φ159 | Φ169 | Φ145 | 2.3 | 4.6 | 6.9 |
| 4 | Φ162 | Φ169 | Φ150 | 2.3 | 4.6 | 6.9 |
- Polyester Fine Filter Cartridge (Metal Cap)
| No. | Tube Sheet Diameter | Top Cover OD | Bottom Cover OD | 1 m Length (m²) | 2 m Length (m²) | 3 m Length (m²) |
|---|---|---|---|---|---|---|
| 5 | Φ127 | Φ146 | Φ114 | 1.1 | 2.2 | 3.3 |
| 6 | Φ133 | Φ152 | Φ121 | 1.5 | 3.0 | 4.5 |
| 7 | Φ159 | Φ178 | Φ144 | 2.1 | 4.2 | 6.3 |
| 8 | Φ162 | Φ178 | Φ146 | 2.3 | 4.6 | 6.9 |
Customization Guidelines
- Specifications and Structure
Please provide the following parameters: filter cartridge diameter, length, filtration area, pleat count, end cap type, sealing method, open end design, and connection type.
- Operating Conditions
Please specify the working environment and operating parameters, including dust type and characteristics, particle size range, operating temperature, humidity, airflow conditions, and any other special filtration requirements.




Typical Industry Applications
- Mineral industry
- Cement industry (including cement production, clinker grinding, packing and transportation systems)
- Kiln tail of rotary kiln / shaft kiln
- Raw slurry processing
- Slag grinding / micro-grinding
- Coal grinding
- Anode baking
- Anode crushing
- Mineral / bulk powder conveying and unloading systems
- Chemical industry
- PVC resin
- Dyes and pigments
- Industrial coatings and paint mixtures
- Industrial hazardous waste treatment
- Catalyst production and processing
- Fine chemical dust
- Boric acid / fertilizer drying processes
- Soda powder / bleaching powder
- Alumina conveying and unloading
- Zinc oxide / zinc smelting
- Lead oxide / battery materials
- Lead smelting / copper smelting / ferroalloys / silicon-manganese alloys
- Food processing and pharmaceutical industry
- Milk powder production
- Starch processing
- Sugar processing
- Food additives
- Protein powder dust
- Animal vitamins
- Dairy powder dust
- Frost / low-temperature particulate dust
- Plastics industry
- PP plastic powder
- Polyester plastics
- PVC resin processing
- Plastic fiber / cellulose fiber
- Polymer processing dust systems
- Coal-fired power plant boiler systems
- Blast furnace gas dry treatment systems
- Coal pulverized ash handling systems
- Coal-fired boiler flue gas treatment systems
- Electric arc furnace / induction furnace
- Industrial and hazardous waste incineration systems
- Aluminum industry / aluminum processing
- Non-ferrous metal industry and smelting
- Carbon black / white carbon black
- Titanium dioxide production systems
- Silicon iron / silicon metal furnaces
- Pulverized coal injection systems (blast furnace)
- Converter and coking cooling systems
- Fluidized bed drying towers
- Venturi spray scrubbers
- Spray drying systems
- General industrial drying systems
- Pneumatic conveying and storage silo systems
- Ventilation systems
- Municipal solid waste incineration
- Medical waste incineration
- Tire and special rubber processing
- Soil and land remediation
- Industrial dust collection systems
- Post-combustion dust control systems




