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Whole House Cartridge Filters

The water coming into your house from a municipal or well water supply can contain impurities such as chlorine and sediment. The right cartridge filter can remove these contaminates, providing clear, healthy water to your family. A whole house cartridge water filter system treats the water at a central point before it enters the plumbing and is distributed to faucets, showers and appliances such as the dishwasher and washing machine. This means that you’ll enjoy the benefits of clean, fresh water from every faucet.

  • US Water Big Blue Commercial Filter Housing 4.5 x 10 | H-4510

    The US Water Big Blue Housing is a commercial-grade high-quality, rugged filter housing built to withstand severe conditions. It's exclusive thread design provides superior sealing and greater security against leaks. The replacement filters are compatible with any 4.5" x 10" filter cartridge on the market.

    Regular Price: $100.00
    Sale Price: $59.95
  • US Water Big Blue Commercial Filter Housing 4.5 x 20 | H-4520

    The US Water Big Blue Housing is a commercial-grade high-quality, rugged filter housing built to withstand severe conditions. It's exclusive thread design provides superior sealing and greater security against leaks. The replacement filters are compatable with any 4.5" x 20" filter cartridge on the market.

    Regular Price: $133.00
    Sale Price: $79.95
  • US Water Big Clear Commercial Filter Housing 4.5 x 10 | H-4510-C

    The US Water Big Blue Housing is a commercial-grade high-quality, rugged filter housing built to withstand severe conditions. It's exclusive thread design provides superior sealing and greater security against leaks. The replacement filters are compatible with any 4.5" x 10" filter cartridge on the market.

    Regular Price: $158.00
    Sale Price: $94.95
  • US Water Big Clear Commercial Filter Housing 4.5 x 20 | H-4520-C

    The US Water Big Clear Housing is a commercial-grade high-quality, rugged filter housing built to withstand severe conditions. It's exclusive thread design provides superior sealing and greater security against leaks. The replacement filters are compatable with any 4.5" x 20" filter cartridge on the market.

    Regular Price: $200.00
    Sale Price: $119.95
  • US Water Big Blue Double Filtration System 4.5 X 10 | BBF2-10

    This 2-Stage filtration system is designed to filter the water supply for a whole house or other pre-filtration application for business or industry

    Regular Price: $333.00
    Sale Price: $199.95
  • US Water Big Blue Dual Filtration System 4.5 X 20 | BBF2-20
    This 2-Stage filtration system is designed to filter the water supply for a whole house or other pre-filtration application for business or industry
    Regular Price: $383.00
    Sale Price: $229.95
  • US Water Big Blue Triple Filtration System 4.5 X 10 | BBF3-10
    This 3-Stage filtration system is designed to filter the water supply for a whole house or other pre-filtration application for business or industry
    Regular Price: $417.00
    Sale Price: $249.95
  • US Water Big Blue Commercial Triple Filtration System 4.5 X 20 | BBF3-20

    This 3-Stage filtration system is designed to filter the water supply for a whole house or other pre-filtration application for business or industry

    Regular Price: $483.00
    Sale Price: $289.95
  • US Water Pulsar 1 Inch Charged Zeta Filter System | 10 to 20 GPM
    What is “disruptive technology”? A disruptive technology is one that displaces an established technology and shakes up the industry or a ground-breaking product that creates a completely new industry.
    Regular Price: $650.00
    Sale Price: $389.95
  • US Water Big Blue Floor Mount Triple Filtration System 4.5 X 20 | BBF3-20-FM

    This 3-Stage filtration system is designed to filter the water supply for a whole house or other pre-filtration application for business or industry. Floor-mount securely support the weight of the system.

    Regular Price: $783.00
    Sale Price: $469.95

While many people are understandably concerned about potential contaminants in their drinking water, they don’t always think about the water that is used when they take a shower, wash your dishes, or do laundry. This water ends up on your skin and hair, as well as in your dishes, food, and clothing. You’re still exposed to chemicals, pesticides, and other toxins in the water. A whole house cartridge filter system can be used to remove many kinds of contaminants and provide clean water throughout your home.

US Water Big Blue Floor Mount Triple Filtration System

How a Cartridge Filter Works

Cartridge water filters typically have a fairly simple design. Water from the city, your well, or another source comes into your home and enters the filtering system. It passes through one or more filter cartridges that are made to remove specific contaminants. Depending on your system, the water may then flow directly into your home’s plumbing, or pass through a reverse osmosis system, UV disinfection chamber, and/or water softener for further treatment first.

After a certain amount of time, which can vary from a few months to a year, depending on the quality of the water being treated and the cartridge type, the cartridge filter will need to be changed. The filter housing is removed from the system, the cartridge is removed and disposed of, and a new, clean filter is put into place. Different systems require different filter sizes, although there are a number of common dimensions available.

Contaminant Removal

One of the best things about a cartridge filter system is that the filter housings are usually made in one of several standard shapes and sizes, while the filters themselves can be selected to treat your home’s specific water issues. This means that you can customize your cartridge water filters to remove a number of different contaminants, including the following:

  • Sediment
  • Arsenic
  • Fluoride
  • Chlorine
  • Chloramines
  • Nitrates
  • Volatile organic compounds (VOCs)
  • Pesticides

There is no single filter cartridge that removes everything from water, so the best water treatment often involves a series of filters or other systems that treats the water in stages. In order to choose the right filters, you need to know exactly what’s in your water and decide whether or not you want to remove it. This starts with a complete water test to learn about your water hardness, chlorine and fluoride levels, metals, total dissolved solids (TDS), and other contaminants. Once you know what’s in your water, you can put together a water treatment system to deal with each issue. While a cartridge filter system can remove many contaminants, your water could require additional treatment methods.

Physical Filtration

Harmsco WB-HB-10-5W WaterBetter Pleated Filter CartridgeIf your water contains dirt, sand, or other larger particles, a sediment cartridge filter can help. As the water flows into the filter, the particles are trapped inside the filter material and cleaner water comes out. There are several different types of filter material that can be used, including pleated polyester, string wound polypropylene cord, and spun polypropylene.

Physical cartridge filters include a micron rating that indicates the size of particles that the filter can trap. One of the most common ratings is 5 microns, although filters can range from 50 to 0.5 microns. Whole house cartridge filters often include a 5 micron sediment filter because it’s small enough to trap most particles, but large enough that it won’t clog up and need to be replaced too quickly. By way of comparison, a human hair is about 90 microns wide. Check out our filtration spectrum chart, which includes common materials and their sizes. Note that 1 micron = 1 micrometer.

A graphic showing the filtration spectrum

Chemical Filtration

In addition to cartridges that physically filter contaminants out of your water, chemical cartridge filters contain an “active” material that interacts with the contaminants in the water in some way. Perhaps the most common form of chemical water cartridge filter media is granular activated carbon or GAC, which is a form of charcoal that has been specially processed to attract and trap many types of impurities. GAC is very effective for removing organic contaminants, chlorine, and chemicals that give water a bad smell or taste.

GAC is effective at removing many contaminants, but it’s not the best solution to every water problem. To remove fluoride from water, for example, you will have better success with a bone char cartridge filter, while catalytic carbon is better for chloramine removal.

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Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.

You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.