What certifications do your products have?

All products are certified under ISO9001:2008 and hold CE certification.

What is the initial resistance of the filter?

The initial resistance ranges from 25Pa to 50Pa depending on the model.

Is the filter disposable?

Yes, it is designed as an economical disposable product, though it can be cleaned with care.

G4 Pre Air Filter Initial Effect Synthetic Fiber for Ventilation System

Name: G4 Pre Air Filter Initial Effect Synthetic Fiber for Ventilation System
Brand: Sichuan Huajie Purification Equipment Co., Ltd
SKU: 2077609135

Sichuan, ChinaSichuan Huajie Purification Equipment Co., Ltd

US$5.61

20-49 Pieces

US$5.58

50-99 Pieces

US$5.52

100-999 Pieces

US$5.42

1,000-9,999 Pieces

US$5.12

10,000+ Pieces

Sample price:US$13.56/piece.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Model NO.

595*595*90mm

Medium Material

Cotton

Efficiency

Filtration Grade

Pre Filter

Type

Panel Filter

Color

White

Frame

Aluminum Alloy Frame

Shape

Rectangle

Porosity

5um

Transport Package

Carton Package

Specification

595*595*90mm

Trademark

trairf

Origin

China

HS Code

8421399000

Production Capacity

10000 Piece

Key features

High Efficiency Filtration: G4 grade achieves 90% efficiency for particles above 5 microns.

Multiple Frame Options: Available with paper, aluminum alloy, or galvanized iron frames.

Customizable Dimensions: Various standard sizes available, including 295x295mm and 595x595mm.

Low Resistance Design: Engineered for low pressure drop with large filter area and high air volume.

Lightweight Construction: Designed for easy handling and installation with minimal weight.

ISO and CE Certified: Products pass ISO9001:2008 and CE certification standards.

Versatile Applications: Suitable for HVAC, clean rooms, medical electronics, and automotive industries.

Durable Materials: Constructed with synthetic fiber, cotton, and various mesh protective nets.

Company profile

Self-brandedCustomization from DesignsStandardized quality controlHigh Repeat Buyers Choice

Sichuan Huajie Purification Equipment Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-11-13Nearest Port: Shanghai,Shenzhen,NingboAverage Response Time: ≤8.31hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier operates in metal structures, refrigeration, and air-conditioning equipment, with manufacturing, sales, research and development, and import/export activities. It reports ISO9001:2015 and CE certifications, documented complaint handling, quality assurance, raw-material traceability, and OEM service for well-known brands. Customization is available from designs or samples, including full, minor, and flexible customization. Production includes four lines, but the factory does not continuously reconcile quantities for each batch. Innovation evidence is limited: one R&D engineer and no new products launched in the previous year. Financial information is incomplete because only reference years are provided, without financial results or indicators. The supplier has export capability and reported repeat-buyer preference of 80%–100%, but no Fortune 500 cooperation and no overseas service-country coverage are stated.

Supplier typeThe supplier is a manufacturer and seller of metal structures, refrigeration, and air-conditioning equipment, with mechanical equipment R&D and import/export activities. It has four production lines, self-operated import/export rights, and export-trade staff, supporting classification as a manufacturing supplier with trading and engineering capabilities.

CertificationsThe supplier reports ISO9001:2015 management-system certification and CE product compliance certification. These certifications are explicitly stated in the company and certification information, although the company description also references an older ISO9001:2008 claim.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records and a corrective and preventive action procedure with records. However, overseas service coverage is listed as zero, so the evidence supports structured complaint handling but not broad overseas service availability.

Production capacityThe supplier has four production lines, uniformly followed finished-product inspection instructions, quality assurance, and raw-material traceability. A deficiency is that the factory does not continuously reconcile quantities for each batch or batch-production volume, indicating a control gap in production quantity management.

Customization capabilityThe supplier explicitly offers customization from designs and samples, full customization, minor customization, and flexible customization. This directly demonstrates broad customization support.

Client casesThe supplier states that it has served many customers, including well-known brands, and provides OEM services for popular brands. It also reports repeat-buyer preference of 80%–100%, but no Fortune 500 cooperation and no named customer cases are provided.