PUR FM-3700 Advanced Faucet Water Filter Review 2021

If you are looking forward to choosing an advanced and best quality water filter, then purchasing PUR FM-3700 Advanced Faucet Water Filter is the best option for you.

This excellent faucet water filter is a high-powered faucet water filter which can easily be attached to any faucet at just one click. There are many brilliant features of this water faucet filter which has made it to be one of the most worth purchasing filters in the market.

It is not just carried away with the powerful system of water purification, but at the same time, it is easy to install as well. Plus it offers better tasting with which you can deliver healthy water for your family members.

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This PUR Advanced Faucet Filtration advanced system is offering you a simple way through which you can enjoy a healthy lifestyle. You can eventually get healthy and better-tasting water straight away from your faucet.

The best thing about this water filter is that it does not require any tools or machinery for the sake of installation. You need to attach the device with the endpoint of the faucet with just one click.

Also, the PUR FM 3700 filter is also providing roughly 100 gallons of fresh filtered water which can last for a maximum of 3 months. But after 3 months, you have to replace it with the new one by disposing of the existing filter.

The specific filter inside the PUR Advanced faucet water filter is made from the activated carbon. This material is extremely common in the majority of the water filters today. Furthermore, it is NSF-certified with which it can remove 99% of the lead and even reduce additional contaminants.

Important Features of Pur FM 3700

Let’s highlight a few important features of PUR Vertical FM 3700:

  • Vertical faucet mount

The reason why this faucet filtration system is so much in demand is due to its size. It is small enough to easily get connected straight to your faucet through the vertical faucet mount.

  • Filter casing

Its filter casing works as the protective body for your filter, which will prevent any particles or dust from moving inside the filter. This casing will let the filtered water to stay clean and healthy.

  • Activated carbon filter

Plus it has an activated carbon filter which is helpful to reduce contaminates and remove bacteria from your faucet. It will let the contaminated water to flow from another end of the filter through the spout.

  • Easy To Install

There is no need to use any tool or machinery for the installation of the filter. It is easy and quick to perform on your own in just a few minutes. The quality of water which is produced through the faucet will improve the odour, clarity, and taste of water. It makes the water filtration completely effortless for you.

  • Strong System of Filtration

This filter has the capacity with which it can handle 100 gallons of water before you plan to replace it. It is excellent enough to filter 70 different contaminants.

Through the powerful system of filtration, all sorts of dangerous chemicals are neutralized through the carbon ion-exchange purification system. Plus it will also improve the clarity and taste of water in a high-quality and advanced manner. In just two steps of the filtration process, you can get healthy and clean water.

PUR FM-3700 Performance

As the PUR faucet filter is already installed with the smaller filter system, therefore you will expect that it will perform less efficiently. But this is not in the case of PUR FM-3700 Advanced Faucet Water Filter!

Most people do pay high attention to the surface volume and not the filter size. Actual value will hence come over as you will figure out the sort of material used for making the filter body. Its function of Activated carbon has the capacity where it can easily trap particles of 0.3 microns or even higher.

Just because PUR Advanced Faucet Filtration System has been attaching all directly to the faucet, there is no wait for the water to get filtered. Pressure coming from the water flow through the faucet will hence force it to go from the filter at a higher sped.

High-quality Taste

Another best quality which makes this filter system unique is its advanced MineralClear base. It is part of the filtering process.

With the help of this feature, you will feel the water to be extremely crispy and refreshing. Hence your water will be completely free from possible bacteria and reduced Chlorine.

PUR FM-3700 Advanced Faucet Water Filter Maintenance

There is no specific maintenance you should follow for this PUR faucet system. You will find it so much handy if you are in search of a no-fuss system of the water filter. You just need to connect your faucet and start using it directly.

When it comes to maintenance, all you should be concerned about is the replacement of your filter. Healthy clean water will stay inside the filter for a maximum of 3 months. After 3 months, you have to replace it with a new one. It is easy in installation and quick in replacement. To have a healthy and clean water system for your family and kids, choose this advanced water filter system right now.

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PUR FM-3700 Advanced Faucet Water Filter Installation

There is no need to bend the filter in an awkward position or break a hole in your water pipe for its installation. It is hence all set to work by a simple click on your faucet spout.

This excellent faucet filtration system has been designed to easily get attached to most of the sink faucets inside your kitchen. But if your faucet is of a unique model, then you do need an adapter as well. Contact manufacture to figure out which adapter will work best.

Most people complain about the slower rate of water flows from the faucet after two months. It even tastes unpleasant, as well. If this same situation happens to you after two months, then this is the major sign to consider the filter replacement.

Replacement is essential because your filter is not providing clean, healthy water, and it is even clogged up from pipes. Do take professional help in this regard.

PUR FM-3700 Filter Information

The PUR Advanced Faucet Filtration System offers an activated carbon filter that is certified by the NSF. This activated carbon filter can hence remove 99% of the lead and even reduced 70 different contaminants.

Adsorption is one such process in which molecules from the water will be trapped up inside the structure of the filter. This will all in all clean the water from all sorts of bacteria or harmful contaminants.

You do have a choice where you can either stick with the original filter, or you can also purchase a new one if you need a replacement. This filter will hence meet all your daily requirements and needs at an affordable price.

Pors & Cons


  • MadeSimple attachment
  • Compatible with other faucets
  • Simple to install and quick to replace
  • Excellent filtering
  • Also, NSF certified


  • Few users complaints about leaking after the first cartridge replacement
  • Customer help service is very low

Frequently Asked Questions-FAQs

1. Is the unit available with any filters?

Yes, this unit is available with an initial filter where it makes it easy for you to use it without any hassle. It lacks with spares, so make sure you purchase the stock in advance.

2. From where you can buy replacement filters?

You can easily purchase them online, Amazon, or directly from the manufacturer website. Improvement stores can also offer you the best replacement filters.

3. Is there any difference between the horizontal & vertical units?

No, the only difference falls in the aesthetic only. Both the units will filter water in the same way.

4. Can you filter hot water?

No, you should turn off the filter before you turn the hot water on. Hot water can damage your filter and might even stop working correctly.

5. Does this filter available with faucet adapters?

Yes, it is available with four various adapters. Any of these should fit upon inside the faucet to provide it with US standards.

Yes, it is available with four various adapters. Any of these should fit upon inside the faucet to provide it with US standards.

How to Choose the Best Water Filter? Buying Guide

Before you plan to buy a water filter system for your house kitchen, it is important to keep in mind few important factors which can make your selection so easy. Let’s guide you a bit about it:

  1. You should consider the longevity of the filter because this will reduce your chances of frequent replacement. Although this is a big factor to consider because even though if you want to replace it, then it will probably take your 5 minutes. But still, longevity should be considered.
  2. Some of the water filter models do not have a 360-degree swivel feature which can create an issue for you during dish washing. So make sure you choose a water filter problem that is already attached to the 360-degree swivel system for your convenience.
  3. Another most important quality is related to the finishing and design of the filter. It should match with your kitchen décor and add your kitchen with an attractive and ideal appearance.

Final Verdict

To sum up the whole discussion of PUR FM-3700 Advanced Faucet Water Filter, we will state that yes, this is the best faucet filter available in the market today with a top-rated filtration system.

This is a high-capacity filter with which it can remove a maximum of 70 kinds of contaminants from almost 100 gallons of water before you plan to replace it. It has the capacity with which it can all in all easily remove some dangerous chemicals through the carbon ion-exchange purification process.

It is easy in installation and quick in replacement. To have a healthy and clean water system for your family and kids, choose this advanced water filter system right now.

Hi, I am Alex running a small team of writers in bringing you Water Filter Insight to do complete market research for buying the best water filters. I am very much conscious of finding the right product for your household.

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