20'' Cartridge
Your Leading 20'' Cartridge Supplier
Ningbo Blue Pluser Appliance Co.,Ltd, a Leader in Water Filtration with 300 Staff and 7 Production Lines, Nestled at the heart of our success is our state-of-the-art manufacturing facility. We have many types of cartridges, including ro membrane cartridge, 10'' cartridge, 20'' cartridge and quick change filter cartridge, as well as customized cartridge. A cartridge filter is a piece of tubular filtration equipment that can be used across various industries for an array of filtration requirements. We take pride in delivering custom-tailored solutions that guarantee the purity and safety of drinking water in various environments.
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20 Inch Standard PP Cartridge◆ Material: PPread more
◆ Filtration precision: 1 mircron, 3 micron, 5 micron etc.
◆ Length: 10 inch, 20 inch
◆ Out diameter: 2.5 inch, 4.5 inch -
20 Inch Standard GAC CartridgeApplication:read more
◆ Reverse osmosis systems
◆ Whole house water filters
◆ Ice makers
◆ Aquariums product highlights -
20 Inch Standard NSF CTO Cartridge◆ Material: NSF Coconut shell carbonread more
◆ Filtration precision: 0.5 micron, 1 micron, 3 micron, 5 micron
◆ Length: 10″, 20″ also can be customized
◆ Out diameter: 4.5 inch -
20 Inch Standard Resin CartridgeDI cartridge is a general-purpose deionization polishing cartridge designed to give multi meg-ohm quality water for domestic and industrial areas use (such as laboratory, electronics, car or...read more
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20 Inch NSF Coconut Carbon Post Filter Cartirgde◆ NSF 10″ or 12″ post water filter with Coconut Carbonread more
◆ With Screw or 1/4" Quick Connector
◆ Material: Coconut Post Filter
◆ In/out water port: 1/4″ FNPT
why choose us
Advanced Equipment
Equipped with cutting-edge technology injection machines, our production lines boast advanced equipment designed for precision and efficiency. From automated assembly lines to quality control measures, each stage of production is meticulously monitored to ensure the highest standards of quality in every water filtration system.
Complete Qualifications
We have the NSF, Water Mark, LFGB, FDA, SGS, WQA, CE, RoHS, UL, CCC, ISO 9001, ISO 14000:14001 certifications are proud to hold industry-recognized certifications that validate the quality and safety of our products.
Production Capacity
Ningbo Blue Pluser Appliance Co.,Ltd, a Leader in Water Filtration with 300 Staff and 7 Production Lines, Nestled at the heart of our success is our state-of-the-art manufacturing facility. We yearly production can be over 2 million reverse osmosis systems.
Production Market
Our footprint extends across the globe, with products reaching over 50 countries. The international market presence is a testament to the trust and confidence that customers place in our water filtration solutions.
Specifications of 20'' Cartridge
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Item |
Detail |
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PP Filter cartridge size |
20" x 4 1/2" |
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Product dimensions |
412*20*72 mm |
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Inlet/Outlet |
1 inch |
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Maximum pressure |
115 psi |
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Maximum temperature |
100 degrees F (37.8 degrees C) |

》Catalytic carbon filtration ensures fresher water for consistently greattasting beverages and provides added protection against chloramines
》Helps protect steam equipment against corrosive chloramine
》High capacity cartridge helps extend equipment life reducing maintenance frequency
》Minimize waste by only replacing the drop-in cartridges. No discarding of metal or plastic encased quick‑change cartridges
Shut down the system and let it depressurize.
Open the air vent valve and the drain.
Clean the drain valve.
Remove the housing lid.
Remove wing nuts and the alignment plate.
Carefully remove the springs from the top of each cartridge filter. Make sure that the spring does not fall into the housing.
Carefully pull out the cartridges.
Check the housing for any signs of corrosion or dirt residues. Clean the housing if required.
Remove the protective covering of your new cartridge filters and fit them inside the housing.
Handle your cartridges carefully and place them in housing using the alignment plate.
Once all cartridges are in place, reinstall the springs, alignment plate, and wingnuts.
Make sure all these fitments are in good condition and securely installed in place.
Clean and lubricate the O ring and then replace the housing lid.
Screw the housing lid into place.
Close the drain valve.
Purge any air in the system by running water through the filter.
Close the air vent valve

Order Process


》Arrange water filter samples for testing
》We will customize according to customer needs
》Detailed communication during mass production
》On-time delivery
》Response within 24 hours
》One-year warranty
》Free spare parts in case of damage
Packing & Shipping

Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
FAQ
We're well-known as one of the leading 20'' cartridge manufacturers and suppliers in China. Please feel free to wholesale high quality 20'' cartridge for sale here from our factory. For more information, contact us now.
600GPD Direct Flow RO Hydrogen Water Filter, water regulator, Customized Cartridge