K2548-JJ Calcite Inline Filter, Omnipure Features:

• 10″ x 2″ Inline Filter
• 1/4″ John Guest Quick-Connect Fittings
• 6 Month Capacity
• Calcite
• Re-mineralization, pH correction
• Maximum One-Year Service Life

The success of the K-Series filter is directly attributable to the innovative Quick-Connect fittings incorporated into the design. These fittings are unique in two ways. First, they allow for the installation of the inline filter in a matter of seconds. Inlet and outlet tubes are snapped and secured using a patented collet system. Second, the fittings are molded directly into the filter body and cap as a single unit. This reduces the chance of weeping or seepage. Cap and body are spin-welded together, producing a smooth, consistent seal without the use of glues or binders that can cause contamination. The result of these design and production techniques is a reliable filter that is fast and easy to install.

The K-Series filter is available in 6″, 8″, 10″, 12″ or 14″ lengths manufactured in 2″ or 2.5″ diameters. The true benefit is that systems can be designed to incorporate the various lengths and diameters – all the same size or intermixed – to meet specific filtration needs.

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K2536-JJ Granular Activated Carbon Inline Filter, Omnipure Features:

• 10″ x 2″ Inline Filter
• 1/4″ John Guest Quick-Connect Fittings
• 1,500 Gallon Capacity
• Granular Activated Carbon (12 x 40 Mesh)
• Taste, Odor & Chlorine Reduction
• Maximum One-Year Service Life

The success of the K-Series filter is directly attributable to the innovative Quick-Connect fittings incorporated into the design. These fittings are unique in two ways. First, they allow for the installation of the inline filter in a matter of seconds. Inlet and outlet tubes are snapped and secured using a patented collet system. Second, the fittings are molded directly into the filter body and cap as a single unit. This reduces the chance of weeping or seepage. Cap and body are spin-welded together, producing a smooth, consistent seal without the use of glues or binders that can cause contamination. The result of these design and production techniques is a reliable filter that is fast and easy to install.

The K-Series filter is available in 6″, 8″, 10″, 12″ or 14″ lengths manufactured in 2″ or 2.5″ diameters. The true benefit is that systems can be designed to incorporate the various lengths and diameters – all the same size or intermixed – to meet specific filtration needs.

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Aries 10″ x 4.5″ GAC Filter (Acid-Washed Coconut Shell)

AF Series cartridges are double-open-end cartridges that fit standard residential and industrial housings. Cartridges are available in 2-1/2″ and 4-1/2″ diameters and 5″, 10″ and 20″ lengths. Using premium Resintech media and offering oversized cartridge cavities, AF Series cartridges provide the best in water purification and filtration.

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Sterilight QL-150 UV Sterilizer Lamp:

All Sterilight UV systems include an ultraviolet lamp surrounded by a quartz sleeve. The lamp’s output decreases over time, requiring replacement.

UV Quartz Sleeve:

All Sterilight UV systems include a quartz sleeve that surrounds the lamp. Viqua’s quartz sleeves are made of 100% fused silica, which lends to the sleeve’s high transmittance. A high transmittance is important as the UV light must travel through the sleeve to reach the water.

VIQUA UV Lamp and Quartz Sleeve Replacement Overview for UV Lamp

• The quartz sleeve will require periodic cleaning if water contains any hardness, minerals (calcium or magnesium), iron, or manganese.
• UV lamp replacement is a quick and straightforward procedure requiring no special tools. To ensure adequate disinfection, replace the lamp after 9000 hours of continuous operation (approximately annually).
• The volume of UV light created by the UV lamp lowers over time, requiring its replacement.
• The system automatically notifies you when it is time to replace the UV lamp.
• Quartz sleeve replacement/maintenance: Minerals in the water gradually build a layer on the quartz sleeve. This layer must be removed as it limits the amount of UV light reaching the water, lowering the effectiveness of disinfection.
• If the quartz sleeve cannot be cleaned, it must be replaced.

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This system is a strong fit for homeowners who want whole-home taste and odor improvement with cartridge-based maintenance instead of an automatic backwashing valve.

Better Tasting Ice & Beverages

Healthy Water for Cooking

Chlorine Free Showers & Baths

This system will improve water quality through your whole house by removing chlorine, bad taste & odor, reduction of chemical contaminants, and removal of dirt, rust and sediment.

Great Tasting Water, Coffee & Tea

Improve Pet Health with Filtered Water

Brush Healthier Without Chlorine

This great system will benefit everyone in your family, every day! Showering in chlorine free water will make a noticeable difference in your hair and skin.

Check Accessories Section for Recommended Install Kit

Recommended kit to install this whole house system.

See Installation Kits in Accessories.

Utilizing Catalytic Granular Activated Carbon, this non-backwashing whole house carbon water filter will purify all the water throughout your entire home. This system will remove dirt, sediment, chlorine, chloramines, bad taste, and odor from all of your family’s water. Ideal for smaller homes or cabins with up to 5 (FT-2.5-CC-BB20) to 6 (FT-3.0-CC-BB20) showers.

This great system will benefit every member of your family, everyday. Showering in chlorine free water will make a noticeable difference in your hair and skin.

Port size: 1-inch FNPT connections

Media type: Catalytic granular activated carbon

Housing type: 20-inch x 4.5 inch Big Blue/full-flow heavy-duty filter housings

What is a Non-Backwashing Whole House Carbon Water Filter System Used For?

• Whole house chlorine taste and odor reduction
• Chloramine reduction in city water applications
• Hydrogen sulfide reduction for sulfur or rotten-egg odor concerns
• Sediment reduction using high-capacity Big Blue filter housings
• Better tasting water for beverages, ice, cooking, and brushing teeth
• Improved water smell and comfort for showers, baths, and everyday household use
• Residential applications where higher-capacity cartridge housings and 1-inch ports are preferred

What it reduces

• Chlorine taste and odor
• Chloramines
• Hydrogen sulfide
• Dirt, rust, and sediment
• Certain chemical contaminants
• General taste and odor concerns throughout the home

Why choose 20-inch Big Blue housings?
20-inch Big Blue housings hold larger cartridges than standard 10-inch housings, which can support better flow, longer filter life, and less frequent cartridge changes in many applications. They are a practical choice when you want cartridge-style whole house filtration but need more capacity than smaller housings can provide.

Why choose a non-backwashing system
A non-backwashing carbon system does not use an automatic backwashing control valve or drain connection for media cleaning. Instead, it relies on carbon media and replaceable filter cartridges to support whole-home filtration.

Choose a non-backwashing system when:

• You prefer cartridge replacement over backwash programming
• You do not want to run a backwash drain line
• You want a simpler whole house carbon filtration setup
• Your home’s flow demand matches the selected system size

Choose a backwashing carbon filter instead when:

• You want the carbon bed to rinse on a schedule automatically
• Your home has a higher peak flow demand
• You want a lower-touch media bed cleaning process
• Your water conditions require routine backwashing to maintain performance

Compatibility checks before ordering
Before buying, confirm:

• Your plumbing can connect to 1-inch FNPT ports or be properly adapted
• You have enough wall space for the 20-inch Big Blue housings
• You have enough clearance below each housing for cartridge changes
• Your installation location can support the weight of the full housings and the carbon tank
• Your home’s peak flow demand matches the system size you choose
• You want a non-backwashing carbon system rather than an automatic backwashing filter
• If microbial protection is needed, plan to add UV disinfection after proper prefiltration

Recommended add-ons

• 1 inch whole house installation kit, if not already included
• UV sterilizer if bacterial or microbial protection is needed
• Reverse osmosis drinking water system if you want dedicated under-sink purification for drinking and cooking water

Install difficulty: Moderate

This is a main-line whole house installation that includes a carbon tank and Big Blue filter housings. Many experienced DIY customers can install it with the right fittings and tools, but a plumber or installer is recommended if you are not comfortable cutting into the main water line, supporting housings, adapting pipe connections, and checking for leaks.

Installation

1. Choose an installation location on the main water line after the main shutoff and before water branches throughout the home.
2. Confirm there is enough space for the carbon tank, the Big Blue housings, and cartridge service clearance.
3. Shut off the water supply and depressurize the plumbing system.
4. Mount the Big Blue housings securely to a wall, plywood backer board, or stable surface.
5. Install the carbon tank in the correct flow direction.
6. Connect plumbing to the 1-inch FNPT ports using properly supported fittings.
7. Turn water on slowly and check all housings, fittings, brackets, and tank connections for leaks.
8. Flush the system according to the included assembly instructions before normal use.
9. Recheck for leaks after startup and again later the same day.

Maintenance Schedule

• Sediment cartridges: replace every 6 to 12 months, or sooner if flow drops or sediment load is heavy
• Carbon media: replace based on gallon capacity, water quality, and return of taste or odor issues
• Housing O-rings: inspect during every cartridge change and replace if flattened, cracked, nicked, or leaking
• Brackets and fittings: inspect every 6 to 12 months for movement, seepage, or stress
• System performance: monitor flow, taste, odor, and pressure over time

Replacement Triggers

Replace sediment cartridges when:

• Flow drops noticeably
• Pressure drop increases across the housings
• Cartridges show heavy discoloration or visible loading
• Sediment appears downstream
• Your planned maintenance interval is reached

Replace carbon media when:

• Chlorine, chloramine, sulfur odor, or chemical taste returns
• Maximum gallon capacity is reached
• The expected service life has passed based on usage and water conditions
• Water quality goals are no longer being met

Choose this non-backwashing whole house carbon system when you want chlorine, chloramine, hydrogen sulfide, taste, odor, and sediment reduction with high-capacity 20-inch Big Blue housings and 1-inch connections.

FAQs About Non-Backwashing Whole House Carbon Systems

Q: What is a non-backwashing whole house carbon filter?
A: It is a whole house carbon filtration setup that uses replaceable carbon cartridges instead of an automatic backwash cycle to improve water taste and odor at every tap.

Q: Who is the non-backwashing whole house carbon filter system best for?
A: Homeowners who want whole-home taste and odor improvement and prefer a cartridge-change maintenance routine instead of a backwashing tank system.

Q: What does “20 BB housings” mean?
A: It means the system uses 20-inch Big Blue style filter housings, which hold larger cartridges for higher flow and longer life than many smaller housings.

Q: What do “1-inch ports” mean?
A: The inlet and outlet connections are 1 inch, which is commonly used to support higher flow and reduce restriction compared to smaller connection sizes.

Q: What does a non-backwashing carbon filter system help with?
A: It is commonly used to reduce chlorine taste and odor and improve overall water smell and comfort, especially for city water applications.

Q: Is this a water softener?
A: No. Carbon filtration targets taste and odor. Softening is used for hardness minerals that cause scale and spotting.

Q: Does this remove bacteria?
A: No. Carbon filtration is not a disinfection method. If microbial protection is needed, UV disinfection is typically added after appropriate prefiltration.

Q: How often do the carbon cartridges need to be replaced?
A: Replacement depends on water quality and usage. Many homeowners replace carbon cartridges on a routine schedule and sooner if taste and odor return or flow drops.

Q: Will this reduce water pressure?
A: It can if cartridges become loaded or if the system is undersized for peak demand. Using 20-inch Big Blue housings and 1-inch ports helps support better flow, and on-time cartridge replacement helps maintain pressure.

Q: How is this different from a backwashing carbon filter?
A: A backwashing carbon filter cleans the media automatically on a schedule. A non-backwashing system relies on replacing cartridges when they are spent or when they are loaded.

Additional Systems to Consider:

Your Complete Non-Backwashing Whole House Carbon Water Filter System Includes:

• Structural Polyglass Tank w Molded Tank Head
• Filtration Media: Catalytic Carbon
• (2) 20″ Full-Flow Size Heavy Duty Filter Housings (Blue)
• (2) Mounting Brackets with 8 Screws for Filter Housings
• (1) Filter Housing Wrench
• (3) Harmsco Industrial Quality WB-HB-20-5W Pleated 5 Micron 20″ Full-Flow Sediment Prefilter
• (3) Harmsco Industrial Quality WB-HB-20-1W Pleated 1 Micron 20″ Full-Flow Sediment Postfilter

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20 Micron Polypropylene 30″ x 2.5″ String-Wound Filter Cartridge (Case Only)

Shelco has created the MicroSentry cartridge, setting a higher standard for industries requiring cartridge filtration. Shelco equipment makes achieving precision patterns a standard procedure. State-of-the-art computerized production machinery takes the variables out of custom winding and enables the production of filter cartridges that are accurately wound from a single strand of specially selected fibrous roving material, wound around a perforated core in a nearly perfect geometric pattern.

Polypropylene 30″ x 2.5″ String-Wound Filter Cartridge, Shelco 20 Micron (Case Only) Features and Benefits:

• Polypropylene fibers for purity and chemical compatibility
• Meets FDA requirements for food & beverage contact
• Standard cartridges rated for temperatures to 140°F
• High-temp cartridges are available with stainless steel center tubes
• Packaged in individual poly bags for cleanliness
• Available in a wide range of lengths and micron ratings

*FDA cotton and poly meet the FDA guidelines as acceptable for potable and edible liquid contact according to CFR title 21.

Cap Options

Used in 30″ Shelco Housings

 

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Model number: K5555-BB

Product name: Omnipure K5555-BB DI Inline Filter

UPC: 756806487377

Media type: DI media for TDS reduction and conductivity reduction

Flow rate: 0.5 GPM

Cartridge size: 10-inch x 2.5-inch inline filter

Port size: 1/4 inch female pipe thread

Country of origin: Made in the U.S.A.

Case quantity: 25

What is the Omnipure K5555-BB DI Inline Filter Used For?

• TDS reduction in point-of-use water lines
• Lowering conductivity for specialty water applications
• Final polishing after reverse osmosis or other prefiltration
• Inline filtration where a compact, replaceable cartridge is preferred
• Systems that require 1/4 inch female pipe thread connections

Compatibility checks

Before ordering, confirm:

• Your current filter model or documentation matches K5555-BB
• Your system uses a 10 inch x 2 inch inline filter format
• Your connection type is 1/4 inch female pipe thread
• Your application is compatible with 0.5 GPM flow
• Your water has appropriate prefiltration if sediment, chlorine, or heavy contaminant loading is present
• Best used with reverse osmosis systems

For longer DI filter life, use this filter after reverse osmosis or other appropriate prefiltration. RO pretreatment reduces the dissolved ion load before water reaches the DI stage, helping the inline DI filter last longer and perform more consistently.

What’s included

• (1) Omnipure K5555-BB DI inline filter
  Filters sold individually.

Install difficulty: Easy to moderate

Installation depends on your existing tubing and fittings, and whether adapters are needed for the 1/4-inch female pipe-thread ports.

Installation Guidance

1. Shut off water to the system and relieve pressure.
2. Confirm the flow direction and connection layout before removing the old filter.
3. Disconnect the old inline filter.
4. Install the new K5555-BB filter using compatible 1/4 inch male pipe thread fittings.
5. Make sure connections are snug, aligned, and not overtightened.
6. Turn water back on slowly and check for leaks.
7. Flush the filter according to your system requirements before use.
8. Recheck all fittings after a few minutes of operation.

Replacement Triggers

Replace the filter when:

• TDS readings after the filter begin to rise
• Conductivity readings increase above your target range
• Flow drops below expected performance
• The filter reaches its maximum one-year service life
• Your application requires a scheduled replacement for consistency

Maintenance Schedule

• Test TDS or conductivity regularly if low-TDS output is important
• Replace at least annually, or sooner if readings rise
• Maintain upstream sediment, carbon, or RO filtration to help protect DI performance
• Inspect fittings for leaks during each filter change

FAQs for the Omnipure K5555-BB DI Inline Filter

Q: What does the Omnipure K5555-BB filter do?
A: It reduces TDS and lowers conductivity in water, making it useful as a polishing filter in point-of-use and specialty applications.

Q: What port size does this filter use?
A: It uses 1/4 inch female pipe thread ports.

Q: What is the flow rate?
A: The listed flow rate is 0.5 GPM.

Q: How long does this filter last?
A: It has a maximum one-year service life, but actual life depends on incoming water quality, TDS level, usage, and whether RO is used before the DI filter.

Q: How do I know when to replace a DI inline filter?
A: Replace it when TDS or conductivity readings rise above your target level, flow drops, or the one-year service life is reached.

Q: Should this be installed before or after RO?
A: DI filters are often used after reverse osmosis as a final polishing stage because RO reduces the load on the DI media.

Q: Will this filter reduce chlorine taste and odor?
A: This filter is designed for TDS and conductivity reduction. Carbon filtration is typically used for chlorine taste and odor.

Q: Can I install this filter myself?
A: Many users can if they are comfortable with tubing and threaded fittings. Confirm the correct fitting type and check carefully for leaks after installation.

Match your inline filter model and 1/4-inch female pipe-thread connections, then replace it with the Omnipure K5555-BB to lower TDS and support consistent, low-conductivity water.

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Commercial Filmtec DuPont Reverse Osmosis Membrane 660 GPD TW30-PRO-2540 for Tap Water

A complete range of FILMTEC 2540-size elements is available to meet various customer needs for commercial applications, from the highest purity water to the lowest total system costs.

• FILMTEC TW30-2540 is the industry standard for reliable operation and production of the highest quality water.

Tape-wrapped elements are built with the same high-quality membranes and construction materials as industrial elements, without the hard outershell. This makes them more economical for commercial systems with one or two elements per housing.

View a chart that shows which inorganic compounds can be removed from drinking water with this reverse osmosis membrane.

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For the past 35 years Omnipure Filter Company has been revolutionizing the in-line filter industry. Meet our newest family member, the unique L-Series of filters. The L-Series was developed to offer our customers easy change-outs. Available with or without auto shutoff. The new L-Series offers a patented keyed design to ensure product integrity with a simple one-quarter turn.

Made of highly durable injection-molded polypropylene, the L-Series is constructed from 100% NSF (National Sanitation Foundation) certified materials. We offer a variety of standard media options including granular activated carbon (GAC) for taste and odor reduction, depth filtration media to address sand, grit and sediment problems that can clog or damage down line equipment and a special blend polyphosphate media designed to control scaling associated with hard water.

The L-Series can also be ordered with the premium OmnipureBlock media. This family of carbon blocks utilizes technology that optimizes surface area for better contaminant absorption. OmnipureBlock is available in a high capacity ten micron activated carbon version and a water polishing, cysts reducing one micron version. A carbon/scale inhibitor and carbon/lead reduction version are available for your specific application needs.

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Features of H2O International US3 5-Stage Under-sink Filter:

• Standard-sized KDF/GAC System
• Removes Chlorine, Bad Taste, Odor and Lead
• Removes Dirt, Rust & Sediment
• Bacteriostatic KDF Media Prevents Bacteria Growth within the Unit
• Includes Tubing, Fittings and Instructions
• Warranted for 3 Years of Maintenance-free Performance
• Made in the U.S.A.

Media in This System:
GAC Media Granular Activated Carbon Removes Chlorine, Bad, Taste and Odor and Chemical Contaminants.	KDF Media KDF Media Removes Lead and Inhibits Bacteria Growth from within the unit.

View a cutaway diagram of typical under sink filter to see how it filters your water.

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