When should the filter be replaced?

Replace if initial resistance is lower than the first time or if pressure difference exceeds initial value after two cleanings.

How should the filter be cleaned?

Do not rub, machine wash, or shake dry; check for damage after cleaning.

What is the material of the filter core?

The core components are made of cotton.

Filter Media with Mesh G3 G4 Air Filter Material for Pleated Filter

Name: Filter Media with Mesh G3 G4 Air Filter Material for Pleated Filter
Brand: Sichuan Huajie Purification Equipment Co., Ltd
SKU: 2091872525

Sichuan, ChinaSichuan Huajie Purification Equipment Co., Ltd

US$1.99

50-99 Meters

US$1.79

100-499 Meters

US$1.59

500-999 Meters

US$1.09

1,000-9,999 Meters

US$0.99

10,000+ Meters

Sample price:US$5.00/meter.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Medium Material

Cotton

Efficiency

Filtration Grade

Pre Filter

Type

Panel Filter

Color

Green and White

Shape

Roll

Porosity

5um

Core Components

Cotton

Feature

Economy

Brand

Trairf

Transport Package

PE Package

Trademark

trairf

Origin

China

HS Code

8421399000

Production Capacity

10000 Piece

Key features

High Efficiency Filtration: G4 grade offers 90% efficiency for 5um particles, ideal for primary filtration.

Washable and Reusable: Designed for multiple uses after washing, providing an economical solution.

Fire Retardant Material: Constructed with strong fire retardance for enhanced safety in ventilation systems.

Low Resistance Design: Features low resistance combined with high dust holding capacity for efficiency.

Chemical and Humidity Resistant: Suitable for environments requiring resistance to high humidity and chemicals.

ISO and CE Certified: All products pass ISO9001:2008 and CE certification for quality assurance.

Versatile Application: Widely used in cleanrooms, trains, subways, and HVAC systems.

Gradual Density Structure: Processed by high-performance synthetic fiber with gradual density for optimal filtration.

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.