Engineered For Superior Dust Capture & International Fire Safety Compliance
Progressive Density (588 g/m² Dust Capacity)
Deep-Bed Capture: Gradual fiber matrix traps large particles on top and fine dust deep inside, preventing surface blinding.
Low Resistance: Initial pressure drop of only 12–25 Pa reduces HVAC fan energy consumption.
Certified Flame Retardant (UL900 & DIN53438)
Dual Certification: Conforms strictly to UL900 Class 2 and European DIN53438 F1 safety standards.
Fire Safety Compliant: Inherent self-extinguishing fibers eliminate fire hazards in paint spray booths and automated lines.
Zero Fiber Shedding Under High Airflow
High-Velocity Stability: Thermally bonded continuous fibers withstand airflow up to 5,400 m³/h without tearing.
Process Protection: Zero fiber migration protects downstream HEPA Air Filters (H-series) and fresh paint finishes from defect contamination.
Flexible OEM Sizing & Roll Supply (100G–250G)
Custom Specifications: Densities from 100g/m² to 250g/m² and thicknesses from 10mm to 20mm.
Precision Cutting: Available in bulk Pre Filter Media Rolls or pre-cut pads (White or Blue & White) to fit any AHU intake frame.
Custom Pre-Filter Media Rolls & Tailored Sizing for Demanding Environments
Gradual Density Web (High Dust Capacity)
Deep-Bed Capture: Progressive fiber structure holds up to 588 g/m² of dust while preventing surface clogging.
Energy Saving: Ultra-low initial resistance (12–25 Pa) cuts fan motor power consumption.
Certified Fire Safety (UL900 & DIN53438)
Dual Flame Retardancy: Fully compliant with UL900 Class 2 and European DIN53438 F1 standards.
Audit-Ready Security: Inherent self-extinguishing fibers eliminate fire risks in spark-prone paint booths and factory lines.
Flexible OEM Slicing & Precision Slitting
Custom Roll Widths & Lengths: Precision automated slitting to fit any filter frame or AHU inlet.
Pre-Cut Options: Available in standard All-White or Blue-and-White dual-color pre-cut pads to minimize site labor costs.
Versatile Weight & Thickness Profiles (100G–250G)
Exact Density Match: Precise weights from 100g/m² to 250g/m² for G1, G2, G3, and G4 efficiency classes.
Standard & Custom Thickness: Ranging from 10mm to 20mm for seamless integration into standard HVAC housings.
Automotive & Equipment Spray Booths: Serves as high-efficiency intake plenum media, preventing fiber shedding and surface contamination on fresh paint coatings.
Air Handling Units (AHU) & Commercial HVAC: Acts as the primary intake barrier in air handling units to protect expensive secondary and HEPA filters from heavy dust loading.
Cleanroom Pre-Filtration Systems: Deployed as initial stage filter pads in electronics, pharmaceutical, and medical manufacturing environments to extend final stage filter cycles.
Industrial Dust Collection & Ventilation: Protects machinery, air compressors, and electrical cabinets from coarse atmospheric particles and environmental debris.
| Evaluation Feature | Chuqi Factory-Direct Media | Standard / Generic Alternatives |
| Fire Safety Certification | UL900 Class 2 & DIN53438 F1 certified; full batch safety traceability. | No recognized fire-retardant rating; high compliance risk during site audits. |
| Airflow & Tensile Stability | Thermally bonded continuous fibers; zero tearing under high velocity (5,400 m³/h). | Weak fiber bonding; prone to compression, face tearing, and air bypass. |
| Shedding & Surface Finish | 100% Non-Shedding continuous matrix; preserves paint coatings & downstream filters. | Short-staple fibers break easily, shedding debris onto fresh paint surfaces. |
| Initial Pressure Drop | Ultra-low resistance (12–25 Pa); significantly cuts HVAC fan energy consumption. | High initial pressure drop forces ventilation fans to consume excess power. |
| Bulk Supply & Lead Time | High-volume automated lines; stable bulk Pre-Filter Media Roll supply with fast shipping. | Limited production capacity; inconsistent roll weights and unpredictable lead times. |
| OEM Customization | Flexible roll widths, pre-cut pads, custom weights (100G–250G), and colorways. | Fixed standard dimensions only; cannot adjust thickness or density profiles. |
| Model | AR-210 | AP-250G | AZ-250G | AZ-200G | AZ-150G | AZ-100G | AF-200G | AF-150G |
|---|---|---|---|---|---|---|---|---|
| Color | White | White | White | White | White | White | Blue and White | Blue and White |
| Weight | 210G | 250G | 250G | 200G | 150G | 100G | 200G | 150G |
| Thickness | 10 ± 2mm | 15 ± 2mm | 20 ± 2mm | 18 ± 2mm | 15 ± 2mm | 10 ± 2mm | 18 ± 2mm | 15 ± 2mm |
| Max. Airflow | 5400m³/h | 5400m³/h | 5400m³/h | 5400m³/h | 5400m³/h | 5400m³/h | 1900m³/h | 2500m³/h |
| Initial resistance | 20pa | 25pa | 25pa | 20pa | 15pa | 12pa | 20pa | 15pa |
| Final resistance | 250pa | 250pa | 250pa | 250pa | 250pa | 200pa | 250pa | 200pa |
| Efficiency | 85.00% | 91.20% | 91.20% | 91.20% | 79.00% | 75.00% | 91.20% | 79.00% |
| Nominal velocity | 1.50m/s | 1.50m/s | 1.50m/s | 1.50m/s | 1.50m/s | 2.00m/s | 1.50m/s | 1.50m/s |
| Dust Holding Capacity | 497g/㎡ | 588g/㎡ | 588g/㎡ | 526g/㎡ | 468g/㎡ | 400g/㎡ | 307g/㎡ | 276g/㎡ |
| Max. working Temp. | 130℃ | 130℃ | 130℃ | 130℃ | 130℃ | 130℃ | 130℃ | 130℃ |
| Filtering Grade | G3 | G4 | G4 | G3 | G2 | G1 | G4 | G3 |
| Flame resistance | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 | F-1 DIN53438 UL900-Class2 |
Note: These are standard specifications. For custom sizes or technical inquiries, 【please contact our engineering team.】
Reliable Air Filter Media Manufacturer: Delivering High-Performance Solutions for Global Industrial Partners
As a premier, source-level air filter media manufacturer, we operate advanced fiber-carding, thermal-bonding, and precision-slitting production setups. We offer direct commercial pricing, stable quality controls, and reliable OEM capabilities for regional distributors, engineering firms, and supply houses looking for a dependable industrial intake filter supplier. Our complete wholesale intake filter media options, verified international safety certifications, and expert export packaging guarantee stable, long-term supply solutions. This allows our global partners to secure their material pipelines, optimize their procurement costs, and support heavy-duty ventilation projects without supply disruptions.
Q1: What is the main difference between G1, G2, G3, and G4 air intake filter media?
A: G1 through G4 represent progressive coarse dust filtration efficiency classes according to EN779 and ISO 16890 standards:
- G1 & G2 (100G–150G): Provide baseline pre-filtration with ultra-low initial resistance (12–15 Pa), ideal for high-velocity intake fan protection.
- G3 & G4 (200G–250G): Feature denser progressive fiber matrices delivering up to 91.20% filtration efficiency and higher dust holding capacity (up to 588 g/m²). They are widely used as primary intake media in spray booths and cleanroom pre-filtration.
Q2: Does Chuqi filter media pass international fire safety and flame retardancy audits?
A: Yes. All of our synthetic pre-filter media rolls and mats are certified to meeting UL900 Class 2 and European DIN53438 F1 flame retardant standards. This ensures full compliance during industrial facility safety audits and guarantees safe operation in spark-prone environments like automotive paint spray booths and baking ovens.
Q3: How does progressive density construction lower facility energy costs?
A: Standard single-density filter mats clog rapidly on the outer surface, causing pressure drop to spike and energy consumption to jump. Chuqi’s gradual density air intake filter media transitions from open, coarse fibers on the air-entry side to fine, dense fibers on the air-exit side. This structure captures large dust particles throughout the entire media depth, maintaining a low pressure drop (12–25 Pa) while saving fan motor power costs.
Q4: Can you provide custom pre-cut filter pads or custom roll dimensions for OEM orders?
A: Absolutely. As a direct-factory Air Filter Media Manufacturer, we offer high-speed automated slitting and die-cutting services. We supply standard bulk rolls (e.g., 2m x 20m) as well as custom-cut pre-filter panels, specific width rolls, and custom weight profiles (100GSM–250GSM) tailored to your exact AHU frame or ventilation housing specifications.
Q5: Will the fibers shed or break off under high airflow velocities?
A: No. Our media is manufactured using 100% continuous, high-tensile synthetic polyester fibers thermally bonded without chemical binders. This prevents fiber breakage or shedding even under heavy air streams up to 5400 m³/h, protecting sensitive machinery, secondary HEPA filters, and automotive paint surfaces from fiber contamination.
Q6: How can global buyers request custom pricing or free material samples?
A: You can request free sample rolls/cut pads and a factory-direct quote by contacting our engineering team via Email or our Contact Page. Please specify your desired filter grade (G1–G4), weight/thickness, dimensions, and estimated order quantity.
