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This rigid panel pre-filter is a first-stage primary filtration accessory dedicated to HVAC ventilation and air conditioning systems. Different from ordinary soft filter cotton, this product uses integrated manufacturing process: flat synthetic filter material is fixed and supported by double-sided coated wire mesh, which greatly improves overall structural rigidity, avoiding bending, sagging and damage under long-term high air volume wind impact.
Positioned as front primary filter for air circulation systems, it focuses on intercepting large granular impurities and dust above 2 microns to protect subsequent medium-efficiency and high-efficiency filters. The product breaks disposable filter limitation, the internal filter media can be disassembled, cleaned or replaced freely for repeated use. Finished products pass standard factory performance test, every single filter is fitted with exclusive test label to record filtration data, air resistance index and qualification information, meeting commercial building, factory workshop, clean room supporting ventilation standard.
High Air Volume Supply: Optimized flat filter structure reduces air blocking area, adapts special working conditions requiring large air circulation volume, matches high-power HVAC ventilation equipment perfectly.
Low Pressure Drop: Scientific pore design of synthetic media minimizes wind resistance, reduces fan load, saves air conditioning power consumption and operation energy cost.
Superior Mechanical Strength: Double-side coated wire mesh full surrounding support enhances frame toughness, the whole filter keeps stable shape without deformation under long wind impact.
Simple Installation: Standard panel size design fits universal HVAC filter slot, no extra installation tools or auxiliary parts needed, fast on-site replacement.
High Dust Holding Capacity: Thickened synthetic filter layer accumulates more granular dust, extends service cycle, reduces frequent replacement frequency.
Reusable & Cost-saving: Washable filter media, damaged media can be replaced separately instead of changing the whole filter panel, lowers long-term procurement cost.
Qualified Quality Inspection: Each panel filter is tested professionally, equipped with dedicated test label for traceable quality certification.
Filter Material: Environment-friendly flat synthetic fiber media, uniform filtration pore, target filtration precision ≥2 micron dust particles;
Supporting Structure: Double-sided anti-corrosion coated wire mesh wrapping reinforcement, integral pressure-bonded structure, firm combination without media falling off;
Whole Panel: Integral rigid molding, no loose edge, impact resistant;
Auxiliary Part: Independent test label attached on filter surface for performance traceability.
Central HVAC system primary filtration
commercial building ventilation system
factory workshop air purification
public venue air conditioning equipment
pre-filtration of medium/high efficiency filter assembly
industrial high-air-volume ventilation equipment.
Q1: What filtration level does this panel pre filter belong to?
A1: It is HVAC primary efficiency pre-filter, specially for intercepting dust particles above 2 microns, used as first-stage air protection filter.
Q2: Why adopt double-side coated wire mesh structure?
A2: The double-sided coated wire mesh supports the flat synthetic media to enhance overall rigidity, prevent filter deformation and damage under long-term high air volume wind pressure, extend service life.
Q3: Can this pre filter be reused after dirtying?
A3: Yes. The synthetic filter media is washable. Users can clean, air-dry and reinstall it for reuse. If the media is aging or damaged, only replace the internal media instead of the whole panel.
Q4: What does the attached test label mean?
A4: Every finished filter passes air volume, pressure drop and dust holding test. The label records test data, qualification grade and production information to support quality inspection and traceability.
Q5: What working conditions is this filter suitable for?
A5: It is customized for special working conditions needing high air volume circulation, applicable for all types of central air conditioning and ventilation systems as primary pre-filter.
Q6: Does this filter cause high wind resistance affecting air output?
A6: No. It owns low pressure drop performance, will not increase fan operating load, ensures stable high air output while filtering dust.





