Culligan FM-15a Faucet Mount Filter – Updated Features 2021

Letting your faucet be turned into the water filtration system is quite simple to do just like installing the faucet-mounted filter. If you are in search of a better, safer, and clean water filtration without any hassle, then do check out our review on Culligan FM-15a Faucet Mount Filter!

It is a completely painless solution for all those people who are suffering from certain water problems. To know more about this faucet mount filter, here we have a quick guide for you shared below. 

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This faucet mount filter is excellent when it comes to having a capacity of a larger filtration system. They do even work best when it comes to the improvement of water quality for drinking and cooking purposes. 

Also, it is NSF-certified where it helps to remove lead for your kid’s health safety. Furthermore, you can also use this filter to remove larger particles or chlorine, which probably makes the water cloudy. You don’t need to use any tools for installation. You need to attach the faucet. 

The real beauty of this filter is visible in its chrome finishing, which suits all sorts of kitchen décor themes. Its low profile design will never let your kitchen look bore or simple. Each of its filters makes around 200 gallons of clear and crisp water.

Important Features of Culligan FM-15a Faucet Mount Filter

Now without wasting any time, let’s talk about the important features of Culligan FM 15a water filter for the users:

  • Flow Rate 

All know filters as the obstacle through the course of water. This is extremely good when it comes to the removal of contaminants, but at the same time, it even slows the water flow. 

It offers you the half-gallon per minute of the flow rate through the Culligan FM-35. This will enable it to fill an 8-ounce glass in just seven seconds. Most of the users even reported no such significant drop in the pressure of water.

  • Size of Filter Micron 

Holes inside the water filters are known as pores. They are quite small in size, and hence, they are normally measured in microns which make millionths of a meter. 

This micron rating reflects the entire smallest size contaminant which the filter will allow through. Hence the FM-35’s micron rating is around five, and it is highly competitive as compared to the rest of the styles.

  • Life of Filter 

It has exterior housing which is reusable. You have to replace the cartridge which will probably save enough of your money. Based on the water quality, each can filter 200 gallons. Also, you can adjust it with the diverter tab to enhance the life span of the filter. 

Design of Culligan FM-15a Faucet Mount Filter

As you will look at the Culligan FM-15a Faucet Mount Filter design in the first look, it might look-alike a plastic toy which probably makes it lightweight and easy to face cracks. But using is continuous won’t give it any break or damage to the filter. It is entirely safe for use.

But it has the chrome finishing which makes it look quite appealing. It is easy to match with all kitchen decor themes to give it a dream kitchen look.

Performance of Culligan FM-15a Faucet Mount Filter

No doubt that all the models of the Culligan faucet mount filter won so much customer satisfaction due to its powerful and efficient performance. The same is the case with this model as well!

This filter has the capacity where it is meeting up with the average level of customer satisfaction. It has been certified and tested by IAPMO against the two basic ANSI standards for reducing the chlorine taste, as well as even reducing the likes of lead, or light sediment, lindane, as well as particulate class 1.

This filter can last for a maximum of 2 months which roughly makes it equal to 200 gallons of water. They do an excellent job when it comes to filtering your water against any clogging.

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Installation of Culligan FM-15a Faucet Mount Filter

Working as the faucet water filter, this Culligan FM-15A does not involve any tools used for installation purposes. You don’t need to hassle yourself to use any tube or pipe to start the process of filtration. Its housing is made out of plastic which makes it lightweight, but this does affect its market cost.

All you have to do is to remove off the aerator from the sink faucet and let it get attached with your water filter to the faucet. This can be done easily through the use of an adapter that will connect the two. After it, you have to turn the swivel attachment to tighten it in one place fully.

Does Culligan FM-15a Faucet Mount Filter Requires Maintenance?

No, it does not require any maintenance and cleanliness. You have to be sure of the fact that you are not using any hot water inside the system. It is overall excellent in its features of aesthetic appeal, powerful performance, and high-quality material. 

Also, it is also important to change the filter every two months. It is essential to maintain the maintenance system of your filter. 

Filter Info

This model of Culligan faucet mounted water filter uses the carbon block filter, which is ANSI-certified to reduce the number of contaminants inside the water easily. This is much needed if the water has a bad odour or smell. 

You have to make sure that you are changing the filter after every 2 months. So keep a new filter in advance already so you can instantly change it without rushing to market. 

Once the carbon block filter, this mount filter will use a process known as adsorption to easily trap pollutants within the pore structure of your water filter. Each of its carbon granules is highly porous, which will eventually create a large area surface to trap the contaminants. 


  • Easy and quick in installation 
  • Offers a minimal impact over the water pressure 
  • Included with Diverter tab which changes the water from filter to the tap to reserve filter life easily
  • Set with two-years of customer warranty
  • Available with manual kit guide 


  • Can only be favorable for standard faucets 

How to choose the best mount filter? Buying Guide

While you are planning to purchase a reliable mount filter for your house kitchen, it is important to consider a few elements in mind as a beginner. Let’s guide you a bit about it:

  • First of all, make sure that your selected filter model can provide you with clean and fresh water free from contaminants. It should have the capacity to remove bacteria or chlorine from your water through a proper system. 
  • It should have a long life span to use it for long months. This will protect you from the hassle of replacement. 
  • The next important element is to consider the high-quality material used in the construction of the filter. More durable material means a longer life span and high resistance to work perfectly. 
  • Size is equally important during your shopping. Choosing giant filters will create space issues that will be daunting for you at the time of installation. Try to pick a medium-sized filter that is also lightweight. 
  • The last and most important factor is your budget. Try to choose a filter that is not just affordable in price but is also matching all your requirements of water filtration as well. Finding a high-quality filter, with stylish decor work and a reasonable price range, is a perfect combination. 

Frequently Asked Questions-FAQs

1. Does the FM-15a have a filter change indicator?

No, it does not! To acquire the optimal performance, you have to change it after every 2 months. You can also change it after 200 gallons or when at the time when the water flow slows down to the trickle.

2. Can you use it on a bathroom sink?

The kit is hence available with the adapters for most of the faucets. As the cartridge is smaller, therefore, it is still larger enough for most of the standard bathroom sinks.

3. Can hard water affect the cartridge?

No. Minerals will not show any effect on performance or longevity.

Final Thoughts

To sum up the whole discussion of Culligan FM-15a Faucet Mount Filter, we will say that yes, it is effortless over installation and has a durable construction. It is overall excellent in its features of aesthetic appeal, powerful performance, and high-quality material. 

Its housing is made out of plastic which makes it lightweight, but this does affect its market cost. Hence it has the capability where it can remove bacteria or Chlorine and even help it to taste better. 

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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