What is the minimum order quantity?

The minimum order quantity is 1 set.

How is the quality of each filter ensured?

Each filter is individually tested, and finished products undergo random visual and function inspections.

4X4 4X2 Customized H11 H12 H13 H14 HEPA Air Filter

Name: 4X4 4X2 Customized H11 H12 H13 H14 HEPA Air Filter
Brand: Suzhou National Purification Technology Co., Ltd.
SKU: 2207617565

Jiangsu, ChinaSuzhou National Purification Technology Co., Ltd.

US$45.00-52.00

50 Pieces

Product profile

Customization

Available

Certification

ISO9001

Specification

610*305*69mm (optional)

Model NO.

H13 H14

Trademark

NGAF

Origin

China

HS Code

8421291000

Production Capacity

50000

Key features

Medical Grade H14 Efficiency: Removes 99.995% of particles 0.3 microns including viruses, allergens, and dust.

Customizable Dimensions: Any size is available to fit specific terminal air supply housing or FFU requirements.

Durable Aluminum Frame: Constructed with extruded anodized aluminum profile for structural integrity.

Comprehensive OEM/ODM Services: Offers full, minor, and flexible customization from samples or designs.

ISO9001 Certified Quality: Manufactured under strict ISO9001 standards with individual testing for each unit.

Fast Production Lead Time: Peak and off-peak season lead times are both within 15 workdays.

Robust Sealing System: Features polyurethane sealant and EVA/EPDM gasket for airtight performance.

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: ≤9.27h

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.