What is the recommended replacement cycle?

The recommended replacement cycle is 2 Weeks.

What are the dimensions of the filter cartridge?

The size is 5 Inch (136mm) long, with an outer diameter of 4 Inch (104mm) and an inside diameter of 2 Inch (50mm).

Is this an OEM product?

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

Pleated Water Filter Cartridge Swimming Pool Filter Cartridge SPA Filter Pumps

Name: Pleated Water Filter Cartridge Swimming Pool Filter Cartridge SPA Filter Pumps
Brand: Nanjing Blue Sky Filter Co., Ltd.
SKU: 1927076235

Jiangsu, ChinaNanjing Blue Sky Filter Co., Ltd.

US$3.50-5.10

200 Pieces

Product profile

Customization

Available

Suitable for

Inflatable Pool

Type

Water Filter

Model NO.

BS745

Certification

Color

White and Blue (Customized)

Material

Glass Fiber

Function

High Filtration Accuracy, Large Flow, Long Servic

Long

5 Inch (136mm)

Outer Diameter

4 Inch (104mm)

Inside Diameter

2 Inch (50mm)

Recommended Replacement Cycle

2 Weeks

Supplier

Nanjing Blue Sky Filter Co., Ltd.

Transport Package

Standard Export Carton

Specification

Trademark

Blue Sky

Origin

Nanjing, Jiangsu

HS Code

8421991000

Production Capacity

100000PCS/Year

Key features

High Filtration Accuracy: Large flow rate with high filtration accuracy for efficient water cleaning.

Extended Service Life: Folding design provides larger filter area, prolonging life and reducing replacement frequency.

Customizable Options: Color (White and Blue) and packaging can be customized to meet specific needs.

Cost Effective: Reduces the number of filter updates and lowers overall filtration costs.

CE Certified: Product holds CE certification ensuring compliance with safety standards.

Glass Fiber Material: Constructed with durable glass fiber for robust performance.

Manufacturer Direct: Supplied by Nanjing Blue Sky Filter Co., Ltd., a professional manufacturer with ISO certifications.

Wide Compatibility: Suitable for inflatable pools, swimming pools, and SPA filter pumps.

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: ≤6.23h

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.