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2018’s Best Faucet Mount Water Filter Reviews – For Kitchen Sinks

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We created this guide to help you find the best faucet water filter for your kitchen sink.

In general, faucet mounted filters are much more affordable than almost any other type of water filter. This is a huge plus and the reason why they are a real alternative for people on a tight budget. They allow you to protect your health by removing some of those nasty contaminants from the water running through your home, but at the same time you don’t have to spend a fortune doing so.

Some faucet filters have proven to be capable of providing clean water suited for drinking and cooking under certain conditions. Which ones? You are about to find out!

On this page you will find and learn:

Faucet Water Filter Comparison

PUR PFM400H

Best Seller: PUR PFM400H Horizontal

Read Review

  •    Price: $
  •    Fluoride Reduction: No
  •    Lead Reduction: 99%
  •    Capacity: 100 gal
  •    Annual Costs: ~$35.00
Brita On Tap Complete

The Runner-Up: Brita On Tap Complete

Read Review

  •    Price: $$
  •    Fluoride Reduction: No
  •    Lead Reduction: 99.3%
  •    Capacity: 100 gal
  •    Annual Costs: ~$40.00
Culligan FM-25

Most Durable Faucet Filter: Culligan FM-25

Read Review

  •    Price: $
  •    Fluoride Reduction: No
  •    Lead Reduction: 98.9%
  •    Capacity: 200 gal
  •    Annual Costs: ~$22.00

The Best Faucet Water Filter You Can Buy?

The best faucet water filter you can buy is one that is customized to:

  • The contaminants that are present in your tap water
  • The amount of purified water you need on a daily basis
  • Your budget

To get you started, first you should figure out the quality of your tap water by either conducting a water quality test, or by taking a look into your municipality’s free annual Consumer Confidence Report (CCR).

In case you receive water from a well, or you are worried about contaminants dissolving into your water along the way from the treatment facility to your place, we definitely recommend you to test a direct sample of the water in your home.

Once you know about all the contaminants you are facing, look out for filters that are NSF-certified to remove all or at least the majority of these substances. One good example for a third-party organizations that certifies products to NSF standards is the Water Quality Association (WQA).

Kitchen Faucet Water Filter Reviews

PUR Faucet Mount Water Filter Reviews

When it comes to home water filtration, PUR® is a very popular brand that includes some of the best selling products on the market. The main reason for PUR’s popularity is that their filter systems are affordable for everyone.

This applies especially to their faucet mounted filters, which feature a 3-stage NSF-certified water treatment process.

  1. The first stage removes large particles such as dirt and sand.
  2. Stage 2 involves activated carbon made from coconut shells to remove lead (99%), mercury (96%), chlorine, cyst, and asbestos along with more than 70 other substances.
  3. At stage 3 your water will get replenished with healthy minerals like calcium, which also add to a more profound taste.

Overall filtration capacities are pretty standard. One cartridge should last for up to 3 months or an equivalent of 100 gallons of filtered water. This means that annual replacement costs add up to a mere $35 USD. If you buy replacement filters in bulk you can make additional savings.

What we like about PUR faucet filters is that they can get easily installed onto your kitchen faucet within minutes. Definitely no expert plumbing skills are required here, and most of the time you don’t even have to use any tools.

Please note: PUR faucet filters do NOT reduce the amount of dissolved fluoride in tap water intentionally and they won’t work with most pull out faucets.

PUR Advanced Chrome FM-3700B

PUR Advanced Chrome FM-3700B

PUR Advanced Chrome FM-3700B

  •    Price: $
  •    Fluoride Reduction: No
  •    Lead Reduction: 99%
  •    Capacity: 100 gal
  •    Annual Costs: ~$35.00

The PUR Advanced FM-3700B comes with a fancy chrome finish that will make your kitchen shine and your water taste great. Other available colors are gray, white, and a stainless steel look.

Chrome and stainless steel are definitely our favorites here, as they tend to blend best with other kitchen appliances.

The filter is certified to remove lead, mercury, and about 70 other contaminants from water including chlorine. Which in most cases is the main cause for unpleasant tastes and odors, providing you and your family with refreshing, healthy drinking water.

We also like the light indicator that will let you know when it’s time to change filters. As long as the unit runs on 100% filtration power, the indicator light is green.

When it starts to flash orange, it’s time to order a replacement element. Red light means that the unit is not functioning properly anymore.

Drawbacks? Customers complained that the device lowers water pressure and flow rate noticeably, which to be honest is something that happens with more or less all faucet mounted filters.

Other than that, users noted that the whole unit could do with a redesign to increase sturdiness and prevent cracking and other durability issues that might occur over time.

All in all, the PUR FM-3700B is a nice looking faucet filter unit best suited for lead contamination issues. By the way, a 2-year limited warranty is included in the purchase price.

PUR PFM400H Horizontal

PUR PFM400H

Best Seller: PUR PFM400H Horizontal

  •    Price: $
  •    Fluoride Reduction: No
  •    Lead Reduction: 99%
  •    Capacity: 100 gal
  •    Annual Costs: ~$35.00

The PUR PFM400H is among the best selling faucet mount water filters on Amazon with 5 different finishes for you to choose from:

  • Black
  • Chrome
  • Metallic gray
  • Stainless steel
  • White

It uses the same filter cartridges as the PUR FM-3700B above, which means that it removes the exact same 70+ different contaminants – lead, mercury and chlorine among them. This should be enough for you get access to clean and safe drinking water.

The straightforward installation – no tools needed – allows you to have everything set up and running in no time.

Unfortunately, it seems as if the PFM400H suffers from the exact same durability problems we’ve already mentioned about the PUR FM-3700B (small cracks and possible leaks).

Bottom line: For far less than 50 bucks you get a faucet filter unit that not only removes the majority of the most common water contaminants, it’s also beautiful to look at. What else could you ask for?

PUR PFM800HX Horizontal With Bluetooth

PUR PFM800HX

PUR PFM800HX With Bluetooth

  •    Price: $$
  •    Fluoride Reduction: No
  •    Lead Reduction: 99%
  •    Capacity: 100 gal
  •    Annual Costs: ~$35.00

There is one important distinction between the PUR PFM800HX and the PFM400H faucet filter: For an additional fee, the former includes Bluetooth functionality, which allows you to connect the unit to an app that you can install on your smartphone for free.

The app tracks your daily water usage and the current state of your filter element.

Plus you can set it to remind you each time you need to buy a replacement filter or let it automatically order a new one for you. Now it really doesn’t get any more convenient than that!

Our verdict: The PFM800HX should be your number one PUR faucet filter in case you value convenience over costs.

Brita On Tap Complete

Brita On Tap Complete

The Runner-Up: Brita On Tap Complete

  •    Price: $$
  •    Fluoride Reduction: No
  •    Lead Reduction: 99.3%
  •    Capacity: 100 gal
  •    Annual Costs: ~$40.00

Please note: Fits standard faucets only.

What we really like about the Brita On Tap Complete is not so much the fact that it comes with a built-in light indicator that lets you know as soon as a filter cartridge has stopped working and needs replaced. Rather, it’s the fact that it’s certified against NSF standards 42, 53 and 401.

While Standard 42 is only about chlorine taste and odor reduction, Standard 53 is for contaminants with health effects and Standard 401 especially for emerging pesticides, herbicides, prescription drugs and detergents.

To give you a quick overview, the Brita On Tap Complete is guaranteed to remove 99.3% lead, more than 99.0% asbestos, 99.99% of cryptosporidium and giardia cysts, 95-99% VOCs, 97.5% chlorine taste and odor and 98.7% TTHMs, which is a group of harmful chlorination byproducts. And this is only an excerpt!

In other words, this faucet filter is your best chance if you want healthy and safe drinking water right from the tap.

Other than that, the filtering capacity is pretty average – 100 gallons or about 4 months – and filters can be replaced with a simple click.

Also, you can switch between filtered and unfiltered water without having to detach the unit. It’s a great way to extend filter lifespan and save money by only using filtered water when you really need it.

And lastly, installing the base is straightforward with no tools required. Did we mention the full 1-year warranty?

What about flaws?

The cheaper plastic parts used on the faucet connector can cause the unit to fall off at times. This is why we recommend you to go to your local hardware store and buy a metal adapter.

Plus, the indicator light has a tendency to stop working all of a sudden. The battery inside cannot be replaced, meaning you either have to purchase an entirely new base or do without the indicator.

Except for that, nothing out of the ordinary. Some smaller leaks here and there and reduced water flow as with every other filter.

PUR vs. Brita Faucet Water Filters

Choosing between PUR and Brita doesn’t make too much of a difference in our opinion. Here is why:

  • Contaminants – Both are NSF-certified to remove a wide range of contaminants including lead and chlorine.
  • Price – They cost more or less the same depending on where you want to buy them online.
  • Installation – They are both easy to install and fit most standard faucets.
  • Filtration Capacity – A PUR as well as a Brita filter element can provide 100 gallons of filtered water until it needs replacement.
  • Maintenance Costs – Maintenance costs are basically the same.

The only real difference between the two is that, at the time of writing this guide, there are more positive customer reviews for Brita faucet filters to be found online, than there are for PUR. By the way, customers have had issues such as leaks and water spilling with products from both brands.

Dupont Faucet Mount Water Filter Review

Dupont Faucet Mount Filter

Dupont Faucet Mount Filter

  •    Price: $$
  •    Fluoride Reduction: No
  •    Lead Reduction: Yes
  •    Capacity: 200 gal
  •    Annual Costs: ~$30.00

The Dupont WFFM350XBN is a bit more bulky than what we are used to → take a look here.

Filters have a treatment capacity of 200 gallons each, which is twice as much as you get with most competing faucet filters. However, replacement costs add up to about $30 USD per year when buying in bulk, which is almost the same as what you pay for if you run a PUR or Brita unit.

What we love: An easy-to-read digital meter display shows you exactly how much water has been processed yet, so you always know when it’s time for replacement and you can make sure your water is getting cleaned effectively all the time.

By the way, replacing the filter element is a matter of minutes. All you need to do is remove the cover to take out the old and insert the new.

Finally, we have a WQA certificate for reducing asbestos, lead, mercury, microbial cysts, cryptosporidium, and giardia among many other contaminants with a 4-year warranty that got you covered in case anything goes wrong with the product.

Culligan Faucet Filter Reviews

Culligan FM-25

Most Durable Faucet Filter: Culligan FM-25

  •    Price: $
  •    Fluoride Reduction: No
  •    Lead Reduction: 98.9%
  •    Capacity: 200 gal
  •    Annual Costs: ~$22.00

Lastly, let’s take a look at what Culligan has to offer when it comes to the best kitchen faucet water filters.

Culligan FM-15A Advanced/Culligan FM-25 Advanced

The Culligan FM-15A Advanced comes in white, which looks a little cheap (just being honest). Its bigger brother, the FM-25 Advanced, has a nice to look at chrome finish that will blend in with your other kitchen appliances and costs only a couple bucks more – this update is definitely worth the money!

What’s the big difference between the Culligan FM-15A Advanced and the FM-25 Advanced?

As far as we can tell, there is none except for the looks.

Both filters are incompatible with pull down and pull out faucets and a number of other standard models, so we recommend you to double check with the manufacturer whether or not it will fit on your kitchen faucet before you spend any money.

Filter elements have a capacity of 200 gallons each (annual costs: ~$22 USD). But this time there is no filter change indicator that will tell you when it’s time for replacement. This is not a big deal, but it’s a little less convenient.

In terms of pros & cons, on the one hand customers have reported experiencing a low flow rate with both units, on the other hand they’ve also made clear that Culligan faucet filters are very durable and won’t start leaking after a while.

Above that, everything is backed by a 2-year warranty. Plus the filters have been tested against NSF Standards 42 and 53, which includes bad taste, odors, lead (98.9%), turbidity, lindane, atrazine, and cryptosporidium and giardia cysts (99.95%)  among other contaminants.

CuZn’s Bath Ball

CuZn’s Bath Ball

CuZn’s Bath Ball

  •    Price: $$
  •    Fluoride Reduction: No
  •    Lead Reduction: ?
  •    Capacity: 12 months
  •    Annual Costs: -

We have to admit that CuZn’s Bath Ball Faucet Filter for bathtubs is something we’ve never seen before.

The filter which is made in the U.S. simply straps onto your bathtub faucet, so naturally it could also be used on a sink faucet.

The filter is supposed to soften water for smoother skin and hair and also reduce dirt, sediment, odors, chlorine and heavy metal content for up to 12 months of use.

Why supposed to? Because CuZn does not provide a performance data sheet with specific contaminant reduction rates, so we don’t know how effective this filter really is.

CuZn also claims that your bathtub will stay cleaner for longer with less to no mold and mildew deposits.

Apart from that, the PowerDisk replacement filters are eco-friendly as they are 100% recyclable, which is nice additional feature.

What we don’t like about the Bath Ball, however, is that it’s hard to keep directly under the faucet. What’s more, if you let your water run at full speed, water is likely to splash everywhere.

Faucet Filters That Remove Lead

Testing a direct sample of your tap water has shown higher concentrations of lead? In that case you obviously want to opt for a faucet filter that is capable of removing the toxic heavy metal as effectively as possible.

Fortunately, there is no real reason for you to worry! All of the faucet filters reviewed above are NSF-certified to remove about 99% of lead and other harmful substances. You can simply choose the one you like best, maybe for visual reasons or due to costs.

Our recommendation? Go for the Culligan FM-25 Advanced. It has the best looks, is durable, and can be easily installed to most standard faucets.

Are Faucet Water Filters Worth Their Money?

Do faucet water filters really work and are therefore worth their money? Or should you better invest your hard-earned cash elsewhere, such as in an RO under sink system, a POE filter or a filter pitcher?

money

Let’s get to the bottom of it:

Using a Brita faucet filter with a Brita Longlast™ element (Model OB06) as our example, here is a list of contaminants that this setup is capable of removing from tap water:

Chlorine, lead, mercury, cadmium, benzene, asbestos, 1, 2, 4 – Trichlorobenzene, TTHMs, Giardia, Atrazine, Lindane, and Trichloroethylene (TCE).

As you can see, fluoride didn’t make it on the list. That’s because faucet filters aren’t capable of reducing the amount of dissolved fluoride in water to a significant extent.

So, if you are fighting tap water fluoridation and you are looking for a filter model tailored to your specific needs, our article on how to remove fluoride from tap water will help you out – with lots of fluoride filter system reviews, so make sure to give it a chance: best-osmosis-systems.com/water-filter-fluoride-removal/

The best thing about faucet mounted filters? You have to install them only once, which is a matter of minutes and most of the time no tools and definitely no advanced plumbing skill are required. Once installed, you can simply forget about them and enjoy clean and healthy water.

Pros

pros check

  • One of the great things about faucet water filters is that most of them allow you to easily switch between filtered and unfiltered tap water. There is no need to uninstall the unit each time you want to water your garden.
  • Another advantage is that you don’t have to store any water in the refrigerator or in a tank in your house, which is much more convenient and space-saving.
  • Compared to other water treatment system, faucet filters are surprisingly affordable. Most models range between $20 and $40 USD. In addition to that, they save you money in the long run, as you don’t have to buy expensive bottled water anymore.
  • Last but not least, faucet mount filters are a great way to get unlimited access to purified water in case you live in a house or apartment where you can’t make any permanent changes to the plumbing system.

Cons

cons check

  • There are drawbacks that come with faucet water filters. First, you have less room available in and above your sink. This can be inconvenient when washing dishes by hand or trying to fill a cleaning bucket.
  • Second of all, the majority of filters can be used with almost all standard-sized faucets. However, there are exceptions to the rule, so this is something you have to look out for before making a purchase, especially if you have one of those fancy designer faucets or one with a pull-out sprayer.
  • As with most types of water purification systems, faucet filters require regular maintenance. The biggest cost factor are the filter elements which need replacement about every 3 months (costs $20-$35 USD for 100 gallons). For more information on costs read the manufacturer’s specifications.
  • Expect a drop in water pressure and flow rate. How big of a difference there will be largely depends on feed water pressure in your home.

Pitcher Filters vs. Faucet Filters

Pitcher filters and faucet filters are very similar to each other as:

  • They both show about the same effectiveness when it comes to removing contaminants from water.
  • They are considerably less expensive than any other type of water purification device.

However, faucet mounted filters usually last a lot longer than pitcher filters. Plus, taking into account convenience of use, we would choose a high-quality faucet filter over a pitcher almost every time, as the latter has to be refilled multiple times per day.

Brita Faucet Filter vs. Pitcher Filter

Contaminants

Brita: Faucet vs. pitcher filters – who wins the race?

This clearly depends on what kind of contaminants are present in your tap water that you want to have removed.

Comparing the Brita On Tap faucet unit to the Brita Standard and the Longlast pitcher filter, we find that the Brita Standard is the least effective when it comes to contaminant removal. Whereas the Brita Longlast and the Brita On Tap have similar filtration characteristics.

Both are capable of removing chlorine, lead, benzene, asbestos, and particulates among many other contaminants. Additionally, a Brita Longlast filter pitcher will reduce the amount of mercury and cadmium dissolved in your water – something that the Brita On Tap won’t.

However, the Brita on tap is capable of reducing 1, 2, 4 – Trichlorobenzene, TTHMs, giardia, atrazine, lindane and TCE, which the Brita Longlast doesn’t have any effect on.

Contaminant Brita On Tap Brita Standard Brita Longlast
Chlorine Yes Yes Yes
Lead Yes Yes
Mercury Yes Yes
Cadmium Yes Yes
Benzene Yes Yes
Asbestos Yes Yes
Particulates Yes Yes
Copper Yes
Zinc Yes
1, 2, 4 – Trichlorobenzene Yes
TTHMs, Giardia, Atrazine, Lindane, Trichloroethylene (TCE) Yes
Additional Contaminants Yes Yes

Source: brita.com

Price

  • Brita On Tap replacement elements are the most affordable and last for 100 gallons.
  • Brita Longlast replacement elements cost a little more and last for 120 gallons.
  • Brita Standard replacement elements are the most expensive and have a filtering capacity of 120 gallons.
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If you have any questions about faucet mount water filters or any other type of water filter really, please don’t hesitate to leave a comment below!

And don’t forget to come back to this page from time to time, as we are going to add new faucet mount filter reviews occasionally.

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