Culligan FM-25 Faucet Mount Filter [ Features & Performance ]


Finding an excellent water filter and at an affordable cost is not less than a complex mission. There are various aspects that you need to keep in mind to have a successful pick. For the single tap, people are all the time looking for the cheaper filter option. This is the point where we suggest you pick the best option of Culligan FM-25 Faucet Mount Filter.

This Faucet Mount Filter is available with the easy tap mount and hence it provides you with tasty and clean water in just a few seconds. Not just for washing hands or drinking, but you can also use this water for cooking purposes.

The whole finishing of the filter is added with the unique chrome to add the model with extra attraction. You will feel as if the filter is part of the tap or faucet and is not an alien in your kitchen. In short, this is the perfect gadget to grant you tasty, clean, and odorless water.

Features of Culligan FM-25 Faucet Mount Filter

Do you want to know more about Culligan FM-25 Faucet Mount Filter? Let’s get into the review discussion below about its features and installation.

1. Construction

One big issue with most of the filters is seen when it comes to mounting them. The larger water filtration model will require more space for its accommodation. Culligan FM-25 filter is available in the small package which gives you no complaint about the accommodation or making space out of it.

This model is smaller in the market but is giving a tough fight to the rest of the big models when it comes to the water filtration system.

2. Design

Its overall design and appearance have made the buyers fall in love with this beauty. It completely serves you with water filtration with confidence and full beauty. Its overall structure and chrome finishing make it the potential competitors in the market.

3. Filter Pore Size

Almost all the filters are available with the plate on which the tiny impurities are not going through. In Culligan FM-25 Faucet Mount Filter you will find the availability of diverse pore sizes. These pores are so minor that even your naked eye won’t be able to identify their presence.

The pores have an opening that is tiny enough. This will be around one meter a million times which is making their unit of measurements to be n microns.

Hence the small pore sizes are quite pertinent from the size of the impurities the Culligan filter gets rid of in each liter of water you filter. This can be bacteria, fine dust, or fungal spores. This feature simply elevates the water filter model above others within its rank.

4. Flow rate

This water filtration process will ensure that the liquid is coming in direct collision with micro-filter spaces. Hence, this will support its release through the small pores. This barred restriction is much needed for eliminating the contaminants.

Most of the filters have the drawback to make the user wait for a long time to let the procedural purification occur. But when it comes to Culligan FM 25, you just need to stand for a maximum of ten seconds to have a full glass of water. You will be surprised to listen that it has a great half-a-gallon per minute flow rate, which is unique for a water filter similar to it.

5. Contaminants Filtered

The FM-25 reduces:

  • Sediment down to almost five microns
  • Up to 98.8-percent of the lead
  • More than 97% of the chlorine
  • Select herbicides as well as insecticides like atrazine and lindane
  • Cryptosporidium as well as Giardia cysts

6. Filter life

The next important component to discuss is related to the filter life of this model! It is useless to spend a high amount on the filter model which is not promising you a long life-span. FM-25 has the life-span which is incredible to talk about.

If you will maintain and manage it properly, this filter will provide you with a whopping 200 gallons of water. Also, it is available with one more additional benefit for you. Its diverter tab will permit you to easily by-pass the water filtration process for using the tap water instead. This feature is advantageous for you for cleaning the house chores.

7. Easy to Use

You will find it easy to use and simple in the installation process. You can easily have it attach with the faucet or it is also available with the adapter to select from. In just 2 minutes you can install it.

The use of the diverter tab will help you to switch as in between filtered and unfiltered water. In this way, you will be able to use the tap water for drinking, washing hands, cooking, and even washing utensils.

8. Budget-friendly Model

This model of water filter is available in the well-budgeted choice. You can get it at a cheap price with which you will get tasty and quality clean water. Hence, this filter model has the capacity of 200 gallons or 2 months which is more than enough for one faucet.

Plus, it is even requiring lesser maintenance which is even cost-effective. You just have to press the tap and get healthy and clean drinking water out of it.

9. Limited Warranty

This filter model is available with a two-year limited warranty which is just fulfilled if you will comply with the user care guide. The company has a warranty on all the defects that appear in material or workmanship.

In case of any problem happening in the filter, you can straight call the customer support team for repairing or replacement.

Installation Guide of Culligan FM-25 Faucet Mount Filter

It has an installation that is simple and easy to do. You don’t need to hassle yourself into any connectors or wrenches. Just connect all the faucet parts and have them mounted on the faucet. In just a few seconds, you will be all set to drink clean water from it. Hence, it is also available with an adapter that adjusts to the size of the faucet.

Before you make the final choice, you can also look at the filter chart size and pick one unique filter model. It is also available with the diverting switch on one side to shift in between the filtered and non-filtered water.

Maintaining the Filter

Maintenance of this great Culligan FM-25 Faucet Mount Water Filter is straightforward and easy to do. The replacement of the cartridge needs to be done after every 2 months. But it will vary based on the water supply’s contamination level and household use. For changing the filter cartridge, you have to:

  1. Unscrew the filter bottom and it will completely fall on your hand all along with the cartridge.
  2. Replace the filter cartridge and then screw the bottom back. But do not tight it too much.
  3. Now, you have to run the faucet to figuring out if there is any leak.
  4. Keep on flushing the faucet for 5 minutes with which the optimization is all achieved by the filter.

Pros & Cons


  • Easy installation and quick to maintain
  • Affordable
  • Helps to remove the toxins easily
  • Excellent customer service


  • Has an unknown efficiency for the removal of organic compounds

Frequently Asked Questions

1. What is the right time to change the filter in Culligan FM-25?

Well, this water filter is not having an indicator to let you know about the filter replacement. You can easily change the spare cartridge at hand. Hence, you can replace it whenever you feel like it to be.

2. Can you use Culligan FM-25 as the bathroom sink faucet?

Yes, you can easily fit this filter into various faucet sizes. Plus, it is also available with adapters to fit it according to the desired size.

3. Is it possible to get non-filtered water from the tap while using Culligan FM-25?

Yes, Culligan FM-25 is available with the diverting switch. You do have the choice where you can switch between the filtered as well as non-filtered water according to your needs.

4. What is the galloon capacity of Culligan FM-25?

If you will maintain and manage it properly, this filter will provide you with a whopping 200 gallons of water.


To sum up the whole discussion, we will state that the Culligan FM-25 Faucet Mount Filter known to be one of the best water filters available in today’s market. This is one such advanced water filter that you can ever get at an affordable cost.  It is not just reliable but even guarantees to provide clean and pure drinking water.

The best thing about this filter is its warranty from which the customers have been highly satisfied. The water filter has all that it takes to be the best and most reliable development in the world of water filters.

To enjoy healthy drinking water, buy this water filter 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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