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Whole House Water Filter & Salt-Free Softener Alternative Combo - FS1500

1,000,000 gallon capacity.  Long-lasting water filtration and softening for great-tasting, bottled water quality at every tap in your entire home.  Our Catalytic Carbon & KDF media removes chlorine, chloramine, VOC's, Lead, Arsenic, industrial solvents, heavy metals, and more. Our Combo includes our salt-free water softener for an eco-friendly treatment for hard water (limescale). 

Number Of Bath-Gallons Per Minute
System Type

Free Shipping and 50% off factory direct savings


Try it and love 90 day money back guarantee.


Lifetime guaranteed on tanks and valves.


Premium Certified components for peace of mind.


Get the best of both worlds with FilterSmart's Whole House Water Filter and Salt-Free Water Softener Combo. Our #1 best-selling system provides your entire family with soft, contaminant-free water for life. With this innovative system, you can instantly improve the quality of your tap water to better than bottled water, right from every tap in your home. The sediment pre-filter kit helps remove fine sediment, rust, and debris, thereby prolonging the life and efficiency of the main filtration system.

With the addition of KDF with the Carbon in the filtration process enhances its effectiveness. KDF (Kinetic Degradation Fluxion) media is known for its ability to remove heavy metals and other contaminants, complementing the activated carbon's 99% chlorine removal.

The addition of a salt-free water softener is beneficial for areas with hard water, as it helps reduce up to 99% limescale buildup, which can cause damage to plumbing fixtures and appliances over time. The FilterSmart Combo System simply provides homeowners with the highest quality water at every tap in the home.


 Our systems are shipped manufacturer direct to ensure the best pricing, easy DIY installation, and free shipping. Plus, with our "try it and love it" policy, you can enjoy 90-day returns hassle-free. Our commitment extends beyond the purchase; we provide lifetime customer support to ensure you have assistance whenever you need it.

With easy installation by any plumber and a lifetime warranty, there simply is no better choice than Filtersmart for your water treatment needs. Our Combo system is easy to install and provides endless high-quality filtration and salt-free softening. Say goodbye to constant maintenance and salt replacements. Choose Filtersmart and enjoy peace of mind with clean, soft water for years.





Our catalytic carbon/KDF media mix is effective at removing chlorine, chloramine and other in organic compounds. Adsorption pores in the carbon are the only regions within an active carbon particle with sufficient adsorption forces to adsorb impurities.

The KDF media mixed within the carbon media is effective at removing heavy metals, lead, arsenic, chromium, arsanic, trihalomethanes and more. KDF use an advanced oxidation process to remove chlorine, iron, heavy metals, and othercontaminants from your water supply.  KDF stands for kinetic degradation fluxion.  KDF media consists of high-purity copper-zinc granules. Carrying opposite electrical charges, these two materials combined eliminate the widest possible range of harmful contaminants through an electrochemical process known as oxidation-reduction, or redox.  Non-toxic, it contains no chemical additives and has zero adverse health effects. 


Enjoy a refreshing and healthy shower or bath with our advanced home water filtration systems. Our filters effectively remove harmful chlorine and chloramine from your water, protecting you from the negative health effects of these chemicals. Studies have shown that our skin absorbs more chlorine and other chemicals during showers and baths than we do from drinking water.

With our state-of-the-art filtration technology, you'll immediately notice a difference in the quality of your water. Our systems remove drying agents and other impurities, leaving you with soft, clean water that's gentle on your skin and hair. Experience the benefits of filtered water in every tap and bath in your home, and take the first step toward a healthier, more comfortable lifestyle.


Tired of lugging heavy bags of salt? Our advanced home water filtration systems eliminate the need for this tedious and expensive inconvenient task. With our state-of-the-art up-flow systems, there's no need for electricity to drain or replace salt - it's all taken care of for you.

In fact, the only maintenance required is changing out the sediment pre-filter every 8-10 months. This simple and hassle-free process is a small price to pay for the convenience and comfort of high-quality, clean water throughout your entire home. Say goodbye to salt bags and hello to a simpler, more efficient way of enjoying clean, refreshing water.


Say goodbye to limescale buildup with our innovative salt-free water softener media. Using a natural process that harnesses the power of water flow, our system transforms hard water minerals like calcium and magnesium into microscopic nanocrystals. This effectively suspends the particles, preventing them from sticking together and causing harmful scale buildup.

Unlike traditional salt-based softeners, our system doesn't add or remove anything from your water. This means that essential minerals like calcium and magnesium are left untouched, providing you with the important nutrients your body needs.

And unlike salt-based systems, our salt-free water softener requires no regular recharging or back-flushing with fresh water. This saves you time, money, and hassle, while also being environmentally friendly and conserving water resources. Protect your pipes and water heaters, and enjoy the many benefits of soft, clean water with FilterSmart's Whole House Salt-Free Softener.


Experience spot-free showers, baths, and kitchens without hard water stains with FilterSmart's Salt-Free Water Softener. Our innovative system protects your home's plumbing and appliances while preventing limescale buildup, without demineralizing your water or polluting the environment with excess salt waste or chemicals.



5 Stages of Filtration

  • Stage 1.A sediment pre-filter with a 5-micron rating efficiently captures rust and debris from water sources. Its design prevents these larger particles from causing clogs or damage to plumbing and appliances. Replace the pre filter inside the blue housing every 8-10 months.
  • Stage 2.Using Votrex technology our uplow design tank mixes upward through the fiberglass mineral tank. This step eliminates the need for electricity or backwashing to reset the media bed.
  • Stage 3 & 4.Our proprietary catalytic carbon/KDF media is effective at removing chlorine, chloramine, VOC’s, Industrial solvents, heavy metals, lead, arsenic, chromium, PFOS, trihalomethanes and more. The porous structure of activated carbon provides a large surface area for adsorption, allowing it to attract and trap these impurities as water passes through the filter. KDF use an advanced oxidation process to remove chlorine, iron, heavy metals, and othercontaminants from your water supply. 
  • Stage 5. Our salt-free water softener works by altering the behavior of minerals like calcium and magnesium in water. It uses a special media to catalyze the formation of microscopic crystals, which reduces the minerals' ability to attach to surfaces and form scale, effectively preventing hard water buildup without removing the minerals from the water.



Based on Over 1,700+ Reviews


Filtersmart whole house water systems are easy to install, maintenance free, and are guaranteed for life. Instantly improve the quality of your water at every tap in your home.


FilterSmart warranty ensures the customer or original owner that the tank, valves, fittings etc. will be free from defects under typical use. This warranty does not cover items that were damaged from improper use or installation. If the items are damaged due to misuse, neglect, improper installation, accidents, physical damages, or damages resulting from misuse based on the specs or recommendations, the warranty will be voided.

Try our reverse osmosis for 90 days risk free. If you are not 100% satisfied we will gladly give you your money back.

90 Day In-Home Trial:

We are so certain that you will see the value and benefits of using your FilterSmart Water System each day that we are happy to offer a risk-free 90 day in-home trial. If you are not completely satisfied and don’t find FilterSmart to meet your expectations, just simply return it within 90 days for a full refund. FilterSmart stands behind its products and our commitment to your satisfaction is our top priority.


How Large Are The Tanks?

Our 1-3 Bath 12 GPM systems uses 9 x 48” tanks and sits about 52 inches tall, including the valve head. The 4-6 Bath 15 GPM system uses 10x54” tanks and sits about 58 inches tall. For single tanks, we recommend 20x10” space. For our combos, we recommend a 30x10” space.

What Are The Tanks Made Out Of?

Our mineral tanks are built out of USA-made high-spun fiberglass, and they’re certified for safety. We offer a lifetime guarantee against manufacturer defects. Unfortunately, not all tanks on the market are made to such standards.  The tanks are protected by a premium stainless steel cover.

If I Get The Filter, Can I Add The Water Softener Later?

Yes. You can get our whole house water filter system, and then, if you’re unsure whether you need to treat the hard water, just add our salt free softener to make a combination system later.

How Does Activated Carbon Work?

Our tanks come pre-loaded with granular activated carbon (GAC). To remove contaminant impurities, activated carbon works through the process of adsorption. Each particle, or granule, of carbon provides a large surface area, or pore structure, allowing contaminants the maximum possible exposure to the active sites within the filter media. One gram of activated carbon has a surface area in excess of 3,000 square meters (32,000 square feet). The large surface structure, plus the prolonged contact time, maximizes water filtering capacity.

Does The System Work For Well Water?

Yes. However it does not remove iron, hydrogen sulfide or manganese. 

How Often Does The Media Inside The Tank Need To Be Replaced?

The carbon media comes with a 5 year or 1,000,000 gallon guarantee. We guarantee the carbon reducing chlorine to undetectable levels for that period. When the carbon media needs to be replaced simply, order a replacement bag of carbon, dump out the expired media, and refill the tanks with new media. Other companies require a whole new tank purchase. With our reusable tanks we save our customers money in the long run.

How Often Do I Change Out The Pre-filter?

The sediment pre-filters (inside the big blue filter) need to be replaced every 8-10 months. This can be done by any homeowner.

Is There A Reduction In Water Pressure?

No. If correctly installed, our systems do not change or drop the water pressure.

Who Installs The System?

Anyone with basic plumbing skills can easily install our systems. If you don’t know someone with basic plumbing skills, any local plumber will have no problem with the installation. If you need help finding a plumber, try Angie's List or Home Advisor for a list of local plumbers in your area.

Where Is The System Installed?

Filtersmart whole house inline water filters are installed on the main water line at the home’s point of entry. The point of entry (POE) differs from house to house, but it’s usually either in the garage or outside – right by the water shut-off valve. Your local plumber will determine the point of entry and, by extension, the best point of installation. You also may have an existing water softener loop where the system would be installed, but virtually any plumber will be able to determine the best place to install the system.

Pay at your own pace

With Affirm, you can choose the monthly payments you like best - with no late fees or surprise.

Would you like to finance your filtration system?

Make easy monthly payments over 3, 6, or 12 months. You can finance the purchase today. Simply add product to cart and click on the Affirm logo at checkout to see if you qualify. Quick and easy and with no hidden fees.

Just Select Affirm at checkout


1,700+ 5 Start Reviews

Tried and Tested reviews from our amazing customers all over the U.S.
Verified Buyer
“Great value”
Great product and value
October 12, 2022 by Michael L. (MN, United States)

“Installed Fs500 with filter in basement with a loop omitting sprinklers. After only 5 days have seen improvements in all plumbing fixtures in home. Looking forward to less lime and mineral deposits as unit is used. We have city water that is at 14 ppm or more so this is a great product. I also like that there is no flushing with wasted water. I recommend this unit especially if you can’t handle sodium overload in traditional water softeners. Donna was most helpful in the whole sizing and ordering process. Thanks to all. Clay”

Verified Buyer
“Great value”
Whole house carbon filter and salt free combo
September 14, 2022 by Arnold P. (CA, United States)

“I live in the Midwest on a city supplied water main. Our water is highly chlorinated, extremely hard, and you cannot drink it. We used a salt fed water softener for about 5 years, and could never get consistent control of our water for showers, and to keep the scale look off of our dishes.I've now installed the filter smart combo with salt free softener, and it was the best shower I've ever taken. Very lathered suds, and great clean feeling water that's hard to describe. Shortly after installing I ran multiple sources of water, and finally filled a glass of water to try it. I can drink our water!!!! I can only imagine the results will be better over time as the system will have to clean out the residue left over from the past installation.

Verified Buyer
“Great value”
April 14, 2022 by John L

"Purchased the combo system and have had it installed now for a couple months. I am VERY happy with this purchase. The price is a lot better than what i was getting quoted for locally. On top of the the quality is also FAR superior to what they were offering me. I went with the Filtersmart Combo system and i am so happy that i did. Water quality is so much better at the tap and feel like my water heater is now being protected from hard water scale. I never write reviews but this on really did deserve the time. Such a great purchase decision. Also installation was easy for my plumber and he also commented on the quality from the dozens of units he's installed in our area."


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