Best 3 Stage Water Filters 2021 – Reviews & Top Picks

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Best 3 Stage Water Filter

Want to eliminate the coarsest contaminants to the finest ones from your drinking water?

Are you looking for the practical and inexpensive water filtration system?

Then, a triple-stage home water filtration system is exactly what you need right now.

But, there are so many options on the market. So, it may become very confusing for you to decide exactly which one is best for your requirement. Moreover, it takes countless hours of time to do research just to find the best 3 stage water filter.

No worry! You've landed in the right place.

Below, you'll discover 5 top models that are top-rated and popular for their performance, quality and considerable price.

So, keep reading our 3 stage water filter reviews to find the top-performing units from the most reliable brands you can trust.


Feed Water Pressure (psi)

Filter Life (month) 





Express Water WH300SCGS



iSpring WGB32B



Watts Premier 531130

20- 85 


Aquasana AQ-5300+.55



The 5 Best 3-Stage Water Filters Review

In this guide, we'll show you the 5 top-rated 3 stage home water filtration system you can buy today.
Hopefully, you'll be able to find the right product for your home or office drinking water needs.

APEC WFS-1000 3 Stage Under-Sink Water Filter System

Top Features

  • 10" high-capacity sediment filter
  • Premium extruded carbon block filter
  • 100% lead-free chrome faucet
  • FDA certified JG food grade tubing
  • 1-year satisfaction guarantee

If you're looking for the best 3-stage water filter that is very affordable and efficient, then this one tops the chart. APEC water system WFS-1000 is also a top contender for the best under the sink 3-stage water filter.

Not only has this model received more than 400 positive reviews, but it's one of the highest quality filters in its class.

What makes this so unique?

First of all, it features high-caliber components to offer reliable and long-lasting performance.

Made in the USA, Apec WFS 1000 delivers unlimited refreshing water directly to your tap. Thanks to the included 100% lead-free, chrome faucet. The faucet is 360-degree rotatable and features smooth disc valve and spotless chrome finish.

This 3-stage filter system provides optimal protection against different types of contaminants. It’s guaranteed to remove chemicals, odors and bad taste of water. It uses premium filters to treat tap and well water.

WFS-1000 includes 10-inch sediment filter to trap rust, dust and particles (1st stage). In the second and third stage, two 10-inch premium carbon block filters consequently eliminate chlorine, VOCs, and other chemicals. These filters also removes cloudiness, colors and taste from water.

Most importantly, it purifies water without removing the essential minerals and alkalinity of water. What's more, the filters last over 12 months for fewer filter replacement and performance.

Conveniently, it doesn't require regular filter flushing. And it doesn't waste water. All of the water going into the system directly goes into your glass.

To sum it up, for a 3-stage filtration system, APEC WFS-1000 is pocket-friendly unlike other models of its class. You're sure to get your money's worth with this system.


  • Treat tap and well water
  • The USA made super capacity filter
  • Long-lasting, dependable filtration
  • Guaranteed to remove chemicals
  • Retain essential minerals of water
  • Fast water flow and no waste water


  • NOT designed for TDS removal
Express Water WH300SCGS Whole House 3-stage Water Filter

Top Features

  • Sediment-, granular carbon- and carbon block filter
  • Standard 1" connections
  • Pressure gauges
  • Standing stainless steel frame
  • Clear housing for easy monitoring
  • 1-year warranty and free lifetime support

If you want a 3-stage whole house water filter for producing the safest water for home use, this is a better option for you. It's one of the top-rated water filters available which quality is guaranteed.

No more worrying about your home's water flow rate. This high flow filtration system allows you to drink crisp, clean water from any faucet. It delivers up to 0.25 gallon per second without dropping in your home water pressure!

The effective high capacity filtration performs three stages of purification. It removes major contaminants present in water. In the first stage, the whole house sediment filter traps coarse damaging contaminants such as rust, sand, dirt. It also removes finer sediments and particles.

In the second stage, it uses a granular carbon filter. VOC, chlorine, industrial solvents and other chemicals causing the odor, bad taste and cloudiness are captured at this stage.

Final stage focuses on taste and drinkability of your water and removing chemicals. It uses an activated carbon block filter to get the job done.

These high-capacity filters work effectively for up to 100,000 gallons or 6 to 12 months of use depending on the quality of water. It's worth noting that the included pressure gauge offers you easy system monitoring.

Express Water WH300SCGS is well-built and durable. Its heavy-construction features high-quality 100% food-grade materials. And all components and filters are independently tested and certified by NSF/ANSI.

And you know what else?

All the three housings are made from highly durable food-grade PCE and ABS plastic. Conveniently, the first housing is transparent for easy monitoring of filter replacement—no need for dismantling the system.

Express water filter replacement and easy setup will save you time. Moreover, you can swap out the filters quickly and easily. Thanks to its drop-and-go filter design and simple twist-off housing. There are also three pressure release buttons for easy filter removal.

Additionally, the stainless steel frame allows installing the system on the ground or mounting on the wall.

Overall, the Express water whole house system WH300SCGS is an excellent product to solve your water issue completely.


  • Durable, heavy-duty construction
  • Fast flow filtration
  • Simple set up to save you time
  • Easy to use and efficient
  • No pressure loss
  • No waste water


  • Installation isn't allowed in freezing temperatures and direct sunlight.
  • Expensive to use
iSpring WGB32B 3-Stage Whole House Water Filtration System

Top Features

  • 1x 5-micron high-capacity PP sediment filter
  • 2 x 5-micron CTO coconut shell carbon block filters
  • 1" NPT inlet/outlet
  • Big Blue 20" x 4.5" filter cartridges

If our previous 3 stage whole house water filter sounded like a good choice, you'd find our #3 recommendation even more exciting. Especially if you're looking for the best 3 stage filter for whole-house protection, this ispring water filter will be a perfect option for you.

For removing the common contaminants found in the city water supplies, this model is perfect. It can remove up to 95 percent of harmful chemicals, and other contaminants that create foul tastes, color and odors in water. (Tested by SGS, 2018).

What makes it unique?

The back to back carbon block filter allows the system to remove up to 99% of chlorine from water. So, if your water is highly chlorinated, this model would be your best choice. Thanks to its dual CTO carbon block filters.

The PP sediment filter allows for fewer clogs and minimal pressure loss. It achieves filtration down to 5 microns. Next, two CTO carbon block filter combinedly works to ensure maximum filtration efficiency and filter life.

It offers 100,000 gallons of water filtration capacity which is enough to deliver a family of four with healthy water for a full year. Importantly, it keeps healthy minerals in your water.

What's more?

This "point of entry" (POE) filtration system is built to filter your water right from the source. That means you need to install it at the main water supply point of your house to treat all the water you use in your entire home.

The uses of only premium quality components make this unit durable and long-lasting. The components are tested and certified against NSF/ ANSI standards.

In essence, iSpring WGB32B 3 stage 20 inch filter will be an excellent investment in your home! Well worth it!


  • More effective in removing targeted contaminants
  • Removes over 99% of chlorine
  • Easy DIY Installation
  • Requires minimum maintenance
  • Meet NSF/ANSI standards


  • It doesn’t reduce total dissolved solids (TDS)
Watts Premier 531130 Filter-Pure UF-3 3-Stage Water Filtration System

Top Features

  • High-performance sediment pre-filter
  • Chemical reducing carbon block
  • Certified to NSF/ANSI Standard 42 and 53
  • Sanitary push-button filtration
  • Ultra Filtration (UF3) Membrane filter

If you're trying to reduce your environmental impact, this is the best eco-friendly filtration system for that purpose. It's not only a healthy choice for you, but also for the environment.

For added convenience, this Watts premier osmosis UF-3 doesn't require electricity or a separate holding tank. It reduces the harmful environmental consequences of bottled water. It can save over 2,500 half-liter bottles going into landfills per filter change out.

Watts Premier home water filtration system utilizes 3-stage filtration. The 5-micron sediment filter (red) reduces particulates, sand, silt sediment and rust. Next, the 0.5-micron filter captures lead and VOCs.

Finally, it uses the state-of-the-art 0.2-micron UF Hollow Fiber Technology membrane. It eliminates even the tiniest particle from water to ensure cleaner and healthier drinking water straight from the tap.

The UF3 under-counter filtration system is simple to install and maintain. You can install it in a matter of minutes. Thanks to its patented design with push-button filter change mechanism and unique swivel auto shut off valve.

What's more, the patented space-saving design makes it perfect for installing in houses and apartment. It doesn't require you to shut off your water source to change the filter.

One of the outstanding features of this system is its capability of running at low water pressure. Its UF membrane utilizes advanced technology to push water through it at standard home water pressure.  Moreover, it won't alter the pH value of your water.

All things considered, the WP531130 is an advanced filtration system. I would recommend it as a must-buy model if it meets your needs.


  • Compact and space-saving design
  • Very effective filtration
  • Tool-less easy filter changes
  • Runs at a low water pressure
  • Easy to assemble and filter change
  • Eco-friendly and WQA Certified
  • 1-year warranty


  • Plastic valve easy to break
  • Water stream may get slower as you use it longer
Aquasana AQ-5300+.55 3-Stage Max Flow Under Sink Water Filter

Top Features

  • 20-micron sediment pre-filter
  • 800 gallons of filer life capacity
  • Full system certified to NSF/ ANSI standards 42, 53, 401
  • Conforms to NSF protocol P473

If you're in search of the most economical water filter on the market, this is the best option for that purpose. It costs less than 10 cents for per gallon filtered water. Moreover, the filters last for 6 months or 800 gallons before filter replacement.

But this isn't the best part! It features more…..

This system transforms ordinary tap water into extra-ordinary delicious water instantly. Its super filtration capacity reduces ten times more contaminants than any leading pitcher.

It captures and removes up to 99% of 77 water contaminants. But it retains healthy minerals (such as magnesium, calcium, potassium) in the water so you can drink with confidence.

In the first stage, the 20-micron sediment pre-filter captures sediment, rust and silt. In the 2nd and 3rd stages, the activated carbon, ion-exchange, catalytic carbon and sub-micron filtration combinedly work to reduce up to 99% of contaminants.

It's worth noting that it's the only system on the market with Claryum filtration technology. Importantly, this model conforms to NSF protocol P473, and it's worth noting that it's the first and only filter with this certification.

The Aquasana 3 Stage Max Flow features an improved design with 44% faster flow rate. It can deliver a half-gallon of water every minute. So, no need to wait for filtered water compared to conventional drip filters.

Aquasana water filter AQ-5300+.55 is a Point Of Use system, meaning the water supply would run through your faucet and tubing, instead of your pipes.

The unit is designed for ease of install, use and filter replacement. It comes included with the first set of filter and all parts required for DIY installation.

What's more?

You don't need to disconnect the water lines and hoses to replace the filter. You can easily twist off the housing for snappy replacement.

Conveniently, it includes a stylish 100% lead-free all-metal faucet to match your kitchen décor and main faucet.

To conclude, Aquasana drinking water filter AQ-5300+.55 is the best performing filtration solution with faster water flow and higher capacity. It's very economical and its price is fair.


  • Work with Well water or City water
  • New and improved design
  • Highest contaminant removal
  • High flow rate & superior filtration
  • Cost-effective
  • Retain beneficial natural minerals
  • Up to 99% removal of 77 contaminants
  • Easy installation and filter replacements


  • This system won't reduce Total Dissolved Solids (TDS).


Our goal with this review was to give you enough information to make the right decision on your own.

We hope these best 3 stage water filter reviews helped you. And it has given you the confidence to purchase the right one for your needs.

You can't go wrong with any of the top models recommended on this page.

So start there!