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Culligan FM-100-C Faucet Mount Water Filter review

Culligan FM-100-C Faucet Mount Water Filter

The Culligan FM-100-C Faucet Mount Water Filter is, undoubtedly a reliable waterfilter for the faucet. It offers more value than most faucet filtersfound in the market. The faucet is not as expensive as its competing counterparts.

The highly versatile filter is handy for a cramped kitchen worktop. Further, its small size allows for a nimbler space requirement.

Key Features

200-gallon filter lifespan

Every piece of the filter cartridge will only last for 200 gallons. The replacement duration is approximately two months.

Has a light indicator

The Culligan faucet filter comes with filter life indicator that reminds when the cartridge needed a replacement. The light indicator will flash red when it is time to change the filters. Hence, this feature eliminates the stress of having to continually check the screen or mark your calendar to monitor replacement due date.

Easy to install

The installation of the Culligan faucet filter is virtually effortless. All the fittings needed for installation are available with the unit.

Comes in two colors

The Culligan FM100 faucet water filter comes in two color options; chrome and white. Both shades are ideal for the interior décor of your kitchen and bath. The chrome finish certainly looks more stylish on this model than the white finish.

It is relatively cheap

In comparison to other water filters for the faucet, this one is more pocket-friendly and also more advanced – due to the light indicator feature which most don’t have.

Has a water flow rate of 5 GPM

The gallons per minute of this unit is quite high. The high flow rate allows for quick pure water replenishment demanded by a large family. It fills glass after glass of pure water.

Easy filtration mechanism

This water filter for faucet offers a sophisticated yet straightforward filtration mechanism. It ensures a constant flow of pure and fresh-tasting water. The advanced filtration system eliminates the following contaminants:

  • Class 1 particulates (Size from 0.5 – 1 micron)
  • Chemicals like atrazine, chlorine, lindane, and lead.
  • Bad taste and odor.
  • Water cloudiness.

For your convenience, the system allows a split flow system that enables the tap to switch between filtered water and regular tap water quickly. It is advisable whenever you are using a brand new cartridge to let the filter run for approximately 10 minutes. It will drain the loose carbon out from the system.


  • A steady water flow rate of 0.5 GPM.
  • It is easy to install and comes with all installation accessories.
  • Filter lifespan of 200 gallons
  • Two-year warranty period.
  • Very portable. It has no tubing attached.
  • Has a light indicator for the change of filter
  • Comes in two color finishes


  • The annual maintenance cost is high.
  • Short lifespan filters.
  • Does not have a digital meter for replacement reminder.
  • Not suitable for heavily contaminated water.

Frequently Asked Questions

Does it come with a filter?

Yes, the unit comes complete with a filter included.

Will it fit on a kitchen sink?

Yes, it will work on a kitchen sink. Installation for the Culligan Faucet water filters is simple. You do not require a plumber or any plumbing expertise for that matter. All you need is to screw the adapter to a standard size faucet, then you can relax and let the faucet filter work for you.

Is it made from plastic or metal?

The material used to make the faucet filter is high-grade plastic.

Can it be used with hot water?

Yes, it can be used with hot water of about 40 to 100 degree Fahrenheit. At this temperature range, there are no adverse effects on the filters.

Does it have a metal or plastic adapter?

The filter has a metallic adapter. Hence adapts to the faucet seamlessly and quickly.

How can I tell when it is time to replace the filter?

When the light indicator turns from green to red, you can change it. The filter ordinarily lasts for six months.

Does it require additional fitments for installation?

No, the Culligan FM-100-C water filter for faucet comes with all the necessary requirements, together with a manual guidebook.


The Culligan FM-100 faucet filter is practically an above-average system among all faucet water filters. It meets the strict standards for NSF to ensure a safe operation. Further, it substantially reduces significant contaminants in the water, hence reaching a certification efficacy. Its two-year extended warranty and the LED indication feature make it a favorite filter for many households.

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