Is the filter washable?

The filter is designed as a disposable product, though cleaning is mentioned with specific replacement conditions.

What certifications do the products have?

All products have passed ISO9001:2008 and CE certifications.

G4 Primary Efficiency Cardboard Pleated Panel Pre Air Filter

Name: G4 Primary Efficiency Cardboard Pleated Panel Pre Air Filter
Brand: Sichuan Huajie Purification Equipment Co., Ltd
SKU: 2077993695

Sichuan, ChinaSichuan Huajie Purification Equipment Co., Ltd

US$2.80

20-99 Pieces

US$2.77

100-499 Pieces

US$2.71

500-999 Pieces

US$2.61

1,000-9,999 Pieces

US$1.92

10,000+ Pieces

Sample price:US$9.48/piece.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Medium Material

Nonwoven Fabric

Efficiency

Filtration Grade

Pre Filter

Type

Panel Filter

Color

White

Material

Paper

Shape

Rectangle

Porosity

5um

Brand

Trairf

Package

Carton

Transport Package

Carton Package

Trademark

trairf

Origin

China

HS Code

8421399000

Production Capacity

10000 Piece

Key features

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

Wedge Folding Design: Increases filtering area with low resistance and large air volume.

Durable Cardboard Frame: High strength cardboard frame ensures structural integrity.

Versatile Applications: Suitable for HVAC, AHU, clean rooms, and painting systems.

Cost-Effective Solution: Lightweight, disposable, and economically priced.

Extended HEPA Life: Pre-filtration protects HEPA filters from premature dust accumulation.

Multiple Efficiency Grades: Available in G1, G2, G3, and G4 stages for various needs.

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

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.