What industries use this air filter?

It is widely used in medical electronics, clean rooms, laboratories, HVAC systems, automobile manufacturing, and the nuclear industry.

What certifications does the product have?

All products pass ISO9001:2008 and CE certification to ensure quality and safety.

What is the primary function of this filter?

It serves as a pre-filter for primary filtration in air conditioning systems to protect high-efficiency filters from dust accumulation.

G4 Washable Air Filter Air Conditioning Filter for Laminar Flow Hood

Name: G4 Washable Air Filter Air Conditioning Filter for Laminar Flow Hood
Brand: Sichuan Huajie Purification Equipment Co., Ltd
SKU: 2086548575

Sichuan, ChinaSichuan Huajie Purification Equipment Co., Ltd

US$6.38

20-99 Pieces

US$6.32

100-499 Pieces

US$6.25

500-999 Pieces

US$6.12

1,000-9,999 Pieces

US$5.52

10,000+ Pieces

Sample price:US$13.56/piece.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Model NO.

290*595*95mm

Medium Material

Cotton

Efficiency

Filtration Grade

Pre Filter

Type

Panel Filter

Color

White

Frame

Aluminum Alloy Frame

Shape

Rectangle

Porosity

5um

Feature

Economy

Transport Package

Carton Package

Specification

290*595*95mm

Trademark

trairf

Origin

China

HS Code

8421399000

Production Capacity

10000 Piece

Key features

G4 Filtration Efficiency: Achieves 90% efficiency for filtering dust particles above 5 microns.

Washable Design: Reusable cotton filter media suitable for multiple cleaning cycles.

Aluminum Alloy Frame: Durable frame construction ensures structural integrity during use.

Low Resistance: Optimized design allows for large filter area and high air volume.

Lightweight Construction: Economical and easy to handle for installation and maintenance.

ISO9001 Certified: Manufacturing process meets international quality standards.

CE Certified: Product complies with European safety and health requirements.

Versatile Application: Ideal for clean rooms, HVAC systems, and medical electronics.

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: ≤8.67hTerms 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.

Product Q&A

Q:What is the filtration efficiency of this G4 filter?

The G4 filter provides 90% efficiency for filtering dust particles larger than 5 microns.

Q:Is the filter washable and reusable?

Yes, the filter is made of cotton and is designed to be washed and reused, provided it is not damaged.

Q:What materials are used for the frame?

The frame is constructed from aluminum alloy, though paper and galvanized iron frames are also available options.

Q:Can the filter size be customized?

Yes, customizable sizes are available to fit specific air conditioning system requirements.

Q:What are the maintenance guidelines for cleaning?

After cleaning, check for damage. Do not machine wash or shake dry. Replace if resistance drops below initial values or after two cleanings if pressure difference increases.