Water Filter Cartridge Manufacturer

Factory-direct water filter cartridges for industrial water treatment, commercial filtration systems, RO pre-filtration, process water, cooling water, and replacement filter applications.

  • 20 inch water filter cartridge and custom sizes available
  • PP melt blown, pleated, string wound, and activated carbon media options
  • Multiple micron ratings for sediment, particles, and pre-filtration needs
  • Standard end caps, custom end connections, OEM labels, and bulk packaging
  • Technical specifications and sample support available on request

Custom water filter cartridge solutions for water treatment equipment suppliers, distributors, industrial plants, commercial filtration projects, and OEM replacement programs.

20 inch Water Filter Cartridge

Water Filter Cartridge Specifications

Our water filter cartridges can be customized according to cartridge length, micron rating, filter media, end cap type, gasket material, outside diameter, inner core, flow rate, pressure drop requirement, and application. Send us your cartridge size, micron rating, media type, and quantity for a suitable quotation.

Water Filter Cartridge Types
Specification Available Options / Typical Description
Product Name Water Filter Cartridge
Product Type Sediment filter cartridge / PP filter cartridge / pleated filter cartridge / string wound filter cartridge / carbon filter cartridge
Common Length 5 inch, 10 inch, 20 inch, 30 inch, 40 inch, or customized length
Featured Size 20 Inch Water Filter Cartridge
Outside Diameter Standard OD or customized diameter depending on filter housing
Filter Media PP melt blown, pleated polypropylene, string wound cotton / PP, activated carbon, carbon block, PES, PTFE, or customized media
Micron Rating 0.1 μm, 0.22 μm, 0.45 μm, 1 μm, 5 μm, 10 μm, 20 μm, 50 μm, or customized rating
End Cap Options DOE, SOE, 222, 226, fin, flat cap, threaded connection, or customized end cap
Gasket / O-Ring Silicone, EPDM, NBR, FKM / Viton, PTFE, or customized material
Flow & Pressure Drop Depends on cartridge size, micron rating, media type, water quality, and operating conditions
Application RO pre-filtration, industrial water treatment, commercial water systems, process water, cooling water, electronics water treatment

Water Filter Cartridge Products We Supply

As a water filter cartridge supplier, we support different cartridge filter solutions for sediment removal, RO pre-filtration, commercial water systems, industrial water treatment, OEM replacement, and bulk supply.

20 Inch Water Filter Cartridge

20 Inch Water Filter Cartridge

A 20 inch water filter cartridge is a common replacement size for commercial and industrial water filtration systems. It can be supplied with different media types, micron ratings, end caps, and gasket materials.

Best For: RO pre-filtration, commercial water treatment, industrial water systems, and replacement programs.
Water Filter Cartridge 20 Inch

Water Filter Cartridge 20 Inch

Water filter cartridge 20 inch options can be customized for standard housings or OEM equipment. Buyers can choose PP melt blown, pleated, string wound, activated carbon, or other media.

Best For: Equipment manufacturers, water treatment distributors, maintenance suppliers, and project orders.
PP Water Filter Cartridge

PP Water Filter Cartridge

PP water filter cartridges are commonly used for sediment removal and pre-filtration. They help remove suspended particles such as sand, rust, dirt, and other visible impurities.

Best For: RO pre-filtration, industrial water treatment, commercial systems, and general sediment filtration.
Pleated Water Filter Cartridge

Pleated Water Filter Cartridge

Pleated water filter cartridges provide larger filtration surface area than depth-style cartridges, helping support higher flow rate and lower pressure drop under suitable conditions.

Best For: Process water, electronics water treatment, industrial filtration, high-flow systems.
String Wound Water Filter Cartridge

String Wound Water Filter Cartridge

Designed for depth filtration and sediment holding. Suitable for applications where particles vary in size and the system requires economical pre-filtration.

Best For: Industrial water filtration, well water pre-filtration, cooling water, chemical process water.
Activated Carbon Water Filter Cartridge

Activated Carbon Cartridge

Used when the project requires adsorption of chlorine, taste, odor, or selected organic compounds depending on media type and testing requirements.

Best For: Commercial water systems, RO pre-treatment, beverage pre-filtration, process water polishing.

Need a 20 inch water filter cartridge or custom cartridge solution? Send us your cartridge size, micron rating, media type, end cap, application, and quantity for a suitable quotation.

Common Sourcing Problems for Water Filter Cartridges

The wrong water filter cartridge can cause fast clogging, high pressure drop, poor particle removal, leakage, wrong housing fit, or frequent replacement. Our solutions help buyers match media type, micron rating, size, and end connection with real requirements.

Pain Point Business Impact Our Solution
The cartridge clogs too quickly Frequent replacement increases maintenance cost, downtime, and spare parts inventory pressure. Media type, micron rating, length, and dirt-holding capacity selected according to water quality.
Pressure drop becomes too high Excessive resistance may reduce system flow, affect downstream equipment, or increase pump load. Pleated media, suitable micron rating, larger length, or multi-cartridge solutions recommended.
The cartridge does not fit the housing Incorrect length, OD, end cap, or gasket may cause leakage, bypass, or installation failure. Standard 10", 20", 30", 40" and custom cartridges matched based on housing dimensions or samples.
The wrong media is used Using the wrong cartridge type may reduce filtration performance or shorten service life. PP melt blown, pleated, string wound, activated carbon, PES, PTFE options available.
Bulk orders require stable specs Inconsistent batches may cause installation complaints, inventory confusion, and returns. We support model list management, repeat production, OEM labels, and bulk supply.

Why Choose Our Water Filter Cartridges

Designed around filtration performance, media selection, replacement compatibility, customization flexibility, batch consistency, and industrial application needs.

Multiple Media Options

We support PP melt blown, pleated polypropylene, string wound, activated carbon, PES, PTFE, and customized media depending on water quality.

Benefit: Choose a suitable cartridge type instead of using one general-purpose cartridge for every stage.

Flexible Micron Ratings

Multiple micron ratings can be supplied for coarse filtration, sediment removal, fine filtration, pre-filtration, or process filtration.

Benefit: Balance particle removal, flow rate, pressure drop, and service life based on real conditions.

20 Inch & Custom Sizes

20 inch water filter cartridges and standard lengths supplied, while non-standard dimensions can be customized according to housing or sample.

Benefit: Source cartridges that fit existing housings perfectly and reduce installation problems.

End Cap & Gasket Customization

DOE, SOE, 222, 226, fin, flat cap, threaded connections and customized end cap options can be discussed with different gasket materials.

Benefit: A better-matched end connection helps reduce leakage, bypass risk, and wrong-fit purchasing.

Stable Batch Production

We support confirmed model lists, repeat production, custom labels, private packaging, carton design, and bulk packaging for distributors.

Benefit: Maintain consistent product specifications and branding across repeat bulk orders.

For Commercial & Industrial

Used in RO pre-filtration, commercial water treatment, process water, cooling water, boiler feed water, and general industrial filtration.

Benefit: Source one cartridge series for multiple water treatment projects with specific specs.

Factory-Direct Water Filter Cartridge Supply

Work directly with a filtration manufacturer for cartridge media selection, custom size production, OEM labeling, technical review, project quotation, and bulk supply.

Cartridge Selection Support

Send your water quality, cartridge size, micron rating, flow rate, and housing type. Our team helps review suitable options before quotation.

Custom Manufacturing Capability

We support media selection, pleating, end cap welding, gasket assembly, labeling, and project-based production.

Replacement and OEM Support

Existing photos, drawings, housing dimensions, and model lists can be reviewed to match replacement specifications.

Distributor and Bulk Supply Support

Private label, neutral packaging, carton design, barcode, pallet packaging, and repeated production programs discussed.

Custom Media. Custom Size. Factory-Direct Cartridge Supply.

What Is a Water Filter Cartridge?

Core Function & Application

A water filter cartridge is a replaceable filtration element used inside a filter housing to remove suspended particles, sediment, rust, dirt, chlorine, odor, or selected contaminants from water, depending on the cartridge media and filtration design. It is commonly used as a pre-filter or process filter in commercial, industrial, and water treatment systems.

Media Types & Dimensions

Water filter cartridges can be made with different media, including PP melt blown, pleated polypropylene, string wound, activated carbon, PES, PTFE, or other specialized materials. Common cartridge lengths include 10 inch, 20 inch, 30 inch, and 40 inch, with 20 inch water filter cartridges widely used in many commercial and industrial systems.

Industrial Selection Criteria

For industrial buyers, choosing a water filter cartridge is not only about size. The cartridge must match the micron rating, media type, flow rate, pressure drop limit, water quality, housing connection, end cap, gasket material, replacement schedule, and order type.

Water Filter Cartridge Diagram

How to Choose the Right Water Filter Cartridge

Before placing an order, confirm these details to determine whether a standard 20 inch water filter cartridge or a custom solution is more suitable for your system.

Selection Factor What Buyers Need to Check Recommended Choice / What We Support
Cartridge Length Confirm whether the system uses 10", 20", 30", 40", or a custom length. 20 inch water filter cartridge and other standard/custom lengths supplied.
Micron Rating Check whether the system needs coarse filtration, fine filtration, or pre-filtration. 0.1 μm to 50 μm and customized ratings discussed depending on application.
Media Type Identify if project needs PP melt blown, pleated, string wound, carbon, PES, PTFE. Media selected according to water quality, flow, and filtration target.
End Cap & Gasket Check DOE, SOE, 222, 226, fin, flat cap. Confirm temp & chemical compatibility. Standard/custom end caps. Silicone, EPDM, NBR, FKM, PTFE gaskets available.
Flow & Pressure Drop Check system flow rate and whether sufficient flow remains after installation. Size, media area, and micron rating selected to match flow and control pressure.
Application & Order Type Identify RO pre-filtration, process water. Clarify OEM, replacement, or bulk stock. Send size, micron rating, media, end cap, and quantity for a suitable quotation.

If you are not sure which cartridge type fits your system, send us your cartridge size, housing type, micron rating, water quality, flow rate, and application. Our team can help review the specification.

PP Melt Blown vs. Pleated Water Filter Cartridge

Both are widely used, but they are often selected for different filtration goals, flow requirements, dirt-holding needs, and replacement strategies.

Comparison Factor PP Melt Blown Cartridge Pleated Water Filter Cartridge
Structure Depth filter structure made from melt blown polypropylene fibers Pleated media structure with larger surface area
Main Function Sediment removal and general pre-filtration Fine filtration, higher flow support, and larger filtration area
Flow Rate & Pressure Suitable for many standard pre-filtration applications Often selected when higher flow or lower pressure drop is important
Cost Consideration Usually economical for general sediment filtration Usually higher cost but may support longer service life depending on application
Recommended Use Choose when economical sediment removal is the main goal Choose when higher flow, lower pressure drop, or larger area is required

Not sure whether PP melt blown or pleated cartridge is better for your system? Send us your water quality, micron rating, flow rate, cartridge size, and application.

Water Filter Cartridge FAQ

Answers to common commercial and industrial sourcing questions.

What information should I provide for a water filter cartridge quotation?

Please provide the cartridge length, outside diameter, micron rating, filter media, end cap type, gasket material, application, flow rate, quantity, and packaging requirement. If you need a 20 inch water filter cartridge replacement, please also send the existing cartridge photo, housing type, or model number. With these details, we can help recommend a suitable cartridge and provide a more accurate quotation.

Can you supply 20 inch water filter cartridges?

Yes. 20 inch water filter cartridges are available in different media types, including PP melt blown, pleated, string wound, activated carbon, and other customized media. They can be supplied with different micron ratings, end caps, gasket materials, and packaging options. If replacing an existing cartridge, please confirm length, OD, ID, end cap type, and application before ordering.

What micron ratings are available?

Common options include 0.1 μm, 0.22 μm, 0.45 μm, 1 μm, 5 μm, 10 μm, 20 μm, 50 μm, or customized ratings depending on the application. The right rating depends on water quality, target particles, downstream equipment, flow rate, and replacement interval. Choosing a very fine rating may increase pressure drop. Send your application details for recommendation.

Can you customize end caps and gasket materials?

Yes. End cap options may include DOE, SOE, 222, 226, fin, flat cap, threaded connection, or customized designs. Gasket materials may include silicone, EPDM, NBR, FKM, PTFE depending on water temperature and chemical compatibility. Mismatch may cause leakage or bypass. Please send your existing cartridge photo or drawing for review.

Are water filter cartridges suitable for RO pre-filtration?

Yes. Water filter cartridges are commonly used before RO systems to remove sediment, rust, dirt, and particles. PP melt blown, pleated, or string wound cartridges are often selected for sediment pre-filtration, while activated carbon may be used for chlorine/odor reduction. Send your water quality and RO system details for recommendation.

Do you support OEM label and bulk orders?

Yes. OEM label, neutral packaging, custom cartons, barcode labels, pallet packaging, and bulk supply can be discussed for distributors, water treatment equipment suppliers, and project buyers. For bulk orders, please provide your size list, media type, micron rating, annual demand, and packaging needs.

Request a Water Filter Cartridge Quote

Send your cartridge size, micron rating, media type, end cap, gasket material, application, and quantity. Our team will help recommend a suitable water filter cartridge solution for your commercial or industrial water system.

Need help choosing?

Send us your cartridge size, micron rating, water quality, flow rate, and application. Our team can help recommend a suitable cartridge type based on your filtration stage.

  • 20 inch and custom sizes available
  • PP, pleated, string wound, and carbon options
  • OEM label and distributor packaging supported
  • Factory-direct sample and bulk order supply

Supported formats: PDF, JPG, PNG, STEP, IGES, STL, DWG (Max 20MB)