What is the material composition of the filter?

The filter is made of ABS Frame + Sponge + Felt.

Is this an OEM product?

This is not a OEM product. The brand names and logos are the registered trademarks of their respective owners.

Replacement Washable Pre Foam Felt Filters for Hoover U28 Vacuum Cleaners

Name: Replacement Washable Pre Foam Felt Filters for Hoover U28 Vacuum Cleaners
Brand: Nanjing Blue Sky Filter Co., Ltd.
SKU: 886397865

Jiangsu, ChinaNanjing Blue Sky Filter Co., Ltd.

US$0.10-5.10

500 Pieces

Product profile

Customization

Available

Type

Dust Filter, Double Filter

Application

Industry, Household and Office Vacuum Cleaner

Model NO.

BS442

Filter Connector

Flat Connector

Filtration Grade

Pre Filter

Material

ABS Frame + Sponge +Felt

Activated Carbon Filter Type

No Carbon

Usage

HEPA Filter Replacements

Colour

Yellow and White and Black (Customized)

Size of Square Filter

166X166X30mm

Applicable Models

for Hoover U28 Vacuum Cleaners

Supplier

Nanjing Blue Sky Filter Co., Ltd.

Size of Round Felt #1

Diameter: 117mm

Size of Round Felt #2

Diameter of Aperture: 10mm

Size of Round Felt #3

Thickness: 7mm

Transport Package

Standard Export Carton

Specification

Trademark

Blue sky

Origin

Nanjing, Jiangsu

HS Code

8508709000

Production Capacity

100000/PCS

Key features

Customizable Color Options: Available in Yellow, White, and Black with customization support.

High Filtration Efficiency: Pre-filter grade reduces dust, pollen, mites, and other particles.

Durable Material Structure: Constructed with ABS Frame, Sponge, and Felt for longevity.

Washable and Reusable: Designed as a washable pre-foam felt filter for repeated use.

Manufacturer Certification: Produced by ISO9001 and ISO14001 certified Nanjing Blue Sky Filter.

Precise Dimensions: Square filter 166x166x30mm; Round felt diameter 117mm.

Broad Application Scope: Suitable for industry, household, and office vacuum cleaners.

Full Customization Service: Supports customization from samples, designs, and flexible options.

Company profile

Standardized quality controlFlexible CustomizationHigh Repeat Buyers ChoiceProduct Certification

Nanjing Blue Sky Filter Co., Ltd.

Jiangsu, China

CertifiedBusiness 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: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤9.64h

AI-Powered supplier vetting

SummaryBlue Sky is explicitly identified as a professional technical supplier providing 3D software design and broad customization services for filtration products. Its engineering and sales teams support product design and development, while quality processes include two inspectors, documented finished-product inspection instructions, raw-material traceability, and quality assurance. It holds ISO9001:2015, ISO45001:2018, ISO14001, and RoHS-related certification capability. Production-related evidence shows gluing, paper folding, and assembly lines, plus in-stock capacity, but no valid manufacturing-capacity contract with associated subcontractors. The supplier lacks an available SDK, overseas agents or branches, overseas warehouses, and overseas showrooms. Lead times are stated as within 15 working days in both peak and off-season. Financial information is limited to year labels and does not substantiate financial strength. Customer-specific cases are not provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its company description identifies a qualified engineering team and integrated filtration-product design and development services, supporting classification as a technical product and solution supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, together with RoHS product-certification capability. These stated certifications provide explicit evidence of recognized quality, occupational safety, environmental, and product-compliance systems.

R&D capabilityThe supplier provides 3D software design and develops new filtration products, with engineering resources and multiple customization modes. However, it explicitly has no available SDK, so the evidence supports product-design and development capability but not SDK-based innovation or integration capability.

Production capacityProduction evidence includes gluing, paper folding, and assembly lines, in-stock capacity, two quality inspectors, standardized finished-product inspection instructions, and quality assurance with raw-material traceability. Lead times are stated as within 15 working days in both peak and off-season. A limitation is that no valid manufacturing-capacity contract exists with associated subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides 3D software design services and product design and development, indicating broad stated customization coverage.