HEPA and ULPA Filters
Explore mini pleat, deep pleat, V bank, high temperature, gel seal and wood frame high efficiency filter constructions.
Open technical pageSpecification-first sourcing
Custom Air Filtration Sourcing for Technical Buyers
A specification-first sourcing site for custom HVAC filters, HEPA configurations, filter media and appliance OEM projects from Hengfeng in China.
Four product systems
Move from product family to a quotation-ready specification.
The site separates finished filters, roll media and appliance formats so technical values from one construction are not carried into another.
HVAC Air Filters
Compare pocket, panel, washable, metal mesh, carbon and high temperature pre filter constructions for ventilation systems.
Open technical pageAir Filter Media
Review roll media and filter paper options by material, structure, converting format and target filtration requirement.
Open technical pageHome Appliance Filter OEM
Plan air purifier, vacuum cleaner and humidifier filter projects around the device envelope, airflow path and target media stack.
Open technical pageCustom and OEM
Start with the drawing, sample or operating requirement.
A useful enquiry is not just a product name. It records the filter envelope, efficiency framework, airflow, resistance limit, material stack and installation details.
- Geometry
- L × W × D, interface, seal
- Performance
- Standard, grade, airflow, resistance
- Materials
- Frame, media, support, gasket
- Project
- Quantity, drawing, sample, destination
Certifications, capacity, delivery time and testing claims are not displayed until supporting evidence is approved.
Application pathways
Connect the operating environment to the right filter family.
Application pages organise the decision around contaminants, airflow, pressure budget, installation and maintenance access.
Data Center Air Filtration
Plan data centre filtration around outdoor air, particulate load, airflow, equipment protection, maintenance access and the system pressure budget.
Open technical pageCleanroom and Pharmaceutical Filtration
Specify cleanroom and pharmaceutical filtration by room classification, airflow, terminal layout, required standard and integrity testing plan.
Open technical pagePaint Booth Filtration
Plan paint booth filtration by separating incoming-air control from overspray capture, then define media, airflow and replacement requirements.
Open technical pageCommercial HVAC Filtration
Select commercial HVAC filters by particle control, fan pressure budget, filter depth, dust-holding capacity, maintenance interval and housing.
Open technical page
Evidence before claims
Specifications stay attached to the product and test condition.
Efficiency, pressure drop, temperature and material values only become procurement evidence when the product, model, standard, airflow and source version are clear.
- One technical context per specification table
- No customer logos or certificate claims without approval
- No cross-brand compatibility without a verified model match
- No invented MOQ, lead time or response promise
Prepare a workable enquiry
Match the quote to your actual operating conditions.
Send the application, dimensions, efficiency standard, airflow or face velocity, pressure drop limit, materials, seal, quantity and destination when available.