What types of filter cartridges are supported?

The system supports sediment cartridges for particulate removal and activated carbon cartridges for impurity elimination.

Is ODM service available?

Yes, ODM service is available, including customization from samples, designs, and full customization.

Big Blue Filter Housing Pre Whole House Water Purifier System

Name: Big Blue Filter Housing Pre Whole House Water Purifier System
Brand: Ningbo Dowa Environmental Protection Tech Co.,Ltd
SKU: 2186155732

Zhejiang, ChinaNingbo Dowa Environmental Protection Tech Co.,Ltd

US$32.00-42.00

50 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Style for Purifier

Undersink

Operating Principle

Activated Carbon

Model NO.

WF-B4

Certification

CE, RoHS, GS, CB

Water Purification Efficacy

Straight Drink

Water Temperature

Cold, Warm & Hot

Descaling Function

Pipe Design Rate

Self-Cleaning

Stages

1 or 2 or 3

Housing Size

4.5X20inch

Color

Blue

Mode

Stand or Bruckets

Psi

with or Without Psi Meters

Transport Package

1 PCS Each Carton

Specification

42X36X54CM

Trademark

Customized

Origin

China

Key features

Customizable Configuration: Flexible options for stages (1-3), housing size, color, mode, and psi meters.

Robust Build Quality: Precision crafted 4.5x20 inch housing with 1-inch copper inlet/outlet ports.

Versatile Filtration: Supports sediment and activated carbon cartridges for comprehensive purification.

Certified Safety: Rigorously certified with CE, RoHS, GS, and CB standards for quality assurance.

Easy Installation: Includes a handy wrench for effortless installation and maintenance.

Global Manufacturer: Premier China manufacturer with 12 years export experience and global reach.

Strict Quality Control: 100% finished product inspection including visual and function checks.

Flexible Customization: Offers full, minor, and sample-based customization services.

Company profile

Ningbo Dowa Environmental Protection Tech Co.,Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤8.41h

AI-Powered supplier vetting

SummaryThe supplier is a combined business engaged in research, development, manufacturing, and processing of water-treatment and environmental equipment, household appliances, hardware, plastic, and electrical products. It reports broad customization, ODM availability, recent new-product development, and documented procedures for service assessment, corrective actions, and complaint handling. Manufacturing evidence is limited to one production line, two assembly lines, one quality inspector, and no ongoing quantity reconciliation for each batch or mass production. The supplier has no overseas warehouse, showroom, agents or branches, or offline trade-show participation, and does not provide OEM services for popular brands. Financial credibility cannot be reliably assessed because the supplied financial figures are not interpretable and are therefore excluded.

Supplier typeThe supplier is identified as a combined company whose stated scope covers research, development, manufacturing, and processing of water-treatment equipment, environmental equipment, household appliances, hardware, plastic products, and electrical accessories. This indicates a manufacturer-oriented combined business rather than a supplier described solely as a trading company.

After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaints. However, it has no overseas warehouse, showroom, overseas agents or branches, or offline trade-show participation, while its overseas service-country count is stated as zero; formal service processes exist, but overseas physical service coverage is limited.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, supporting active product-development capability. It also reports no available SDK and no OEM service for popular brands; the evidence supports product innovation, but not software-development or major-brand OEM capability.

Production capacityThe supplier reports two assembly lines and one production line, with one quality assurance and quality control inspector. Finished-product inspection instructions are uniformly followed, but the factory does not conduct ongoing quantity reconciliation for every batch or mass production, indicating a documented quality-inspection practice alongside a stated production-control deficiency.

Customization capabilityBoth R&D and design-service records list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization support.