What are the minimum order requirements?

The minimum order quantity is 1 set.

Is OEM or ODM service available?

Yes, we support both OEM and ODM services with our own brand and R&D capabilities.

What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Polyester Medium Efficiency F5 F6 F7 F8 F9 Bag/Pocket Air Filter for HVAC System

Name: Polyester Medium Efficiency F5 F6 F7 F8 F9 Bag/Pocket Air Filter for HVAC System
Brand: Suzhou National Purification Technology Co., Ltd.
SKU: 1970982511

Jiangsu, ChinaSuzhou National Purification Technology Co., Ltd.

US$6.20

50-99 Pieces

US$6.00

100-499 Pieces

US$5.80

500-999 Pieces

US$5.50

1,000+ Pieces

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Model NO.

G3 G4 F5 F6 F7 F8 F9

Medium Material

Synthetic Fiber

Efficiency

F5 - F9

Filtration Grade

Medium Filter

Type

Bag Filter

Frame

Aluminium or Galvanized Steel 20mm

Media

Synthetic Fiber

Transport Package

Carton

Specification

Standard or customized size

Trademark

NGAF or OEM

Origin

China

HS Code

8421999090

Production Capacity

5000PCS/Month

Key features

High Efficiency Grades: Available in F5 to F9 efficiency levels with up to 95% filtration performance.

Durable Frame Options: Frames made from galvanized steel or extruded anodized aluminum profiles.

Synthetic Fiber Media: Constructed with high-quality synthetic fiber for optimal filtration.

Wide Application Scope: Ideal for AHU, MAU, clean rooms, automotive, hotels, and office buildings.

Customization Services: Offers OEM, ODM, and flexible customization from samples or designs.

Fast Lead Time: Production completed within 15 working days for both peak and off-peak seasons.

Robust Temperature Tolerance: Operates safely at temperatures up to 70 degrees Celsius.

Low Pressure Drop: Recommended maximum final pressure drop is 450 Pa for energy efficiency.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Management CertificationFull Customization

Suzhou National Purification Technology Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.10h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory located in Suzhou, China, offering FFU, filters, and HEPA filters, together with related engineering and after-sales services. It reports ISO9001, ISO14001, and EU CE certifications, more than 50 patents, a production base of approximately 35,000 m², and an operational new factory. Service procedures and records exist for corrective actions, customer complaints, and supplier-service assessment. The supplier provides overseas debugging, maintenance, repair, training, and equipment installation in six countries, with Shanghai Port identified as the nearest port. R&D strengths include 3D design, AutoCAD, Pro/E, SolidWorks, ODM, OEM, and multiple customization modes, although no SDK or auditable R&D documentation is available. Inventory capability and stated lead times within 15 working days are reported, but there is no valid manufacturing contract with related subcontractors, overseas warehouse, overseas showroom, overseas agent or branch, or offline...

Supplier typeThe supplier is described as a factory located in Changshu, Suzhou, operating in manufacturing. Its stated business covers hardware and electrical products, related after-sales service, clean-room engineering, and mechanical and electrical installation, with FFU, filters, and HEPA filters listed as offered products.

CertificationsThe supplier reports ISO9001 quality management, ISO14001 environmental management, and EU CE certifications, as well as recognition as a High-tech Enterprise. These are explicit certifications and qualifications supporting its quality, environmental, and product-compliance positioning.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions, customer complaints, and supplier-service capability assessment. It reports overseas debugging, maintenance, repair, training, and equipment installation in six countries, but lacks overseas agents or branches, warehouses, and showrooms.

R&D capabilityThe supplier reports new products during the past year, 3D design services, R&D engineering using AutoCAD, Pro/E, and SolidWorks, and more than 50 patents. However, no auditable R&D design-input, output, review, verification, or validation documentation is available, and no SDK is provided.

Production capacityThe supplier reports an operational factory with approximately 35,000 m² of production-base area, inventory capability, and average peak- and off-season lead times within 15 working days. A deficiency remains in manufacturing governance because no valid contract exists between the factory and its related subcontractor.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, ODM services, and OEM services for popular brands. This provides direct evidence of broad product-development and manufacturing customization options.