How To Replace A PUR Water Filter


The PUR water filter is an extremely helpful product that purifies our tap water and removes up to 99% of the most common contaminants. However, they do not last forever.

Replacing your PUR filter regularly is the best way to make sure that your family is provided with clean and purified water. This article will show you how to do it properly, no matter which PUR filter you own.

When to Change or Replace Your PUR Water Filter?

Knowing exactly when you should change your PUR water filter is the best way to make sure that the system will keep providing you with healthy and safe-to-drink water.

Depending on the area you live in, how often you use it, as well as the type of the filter you own, the replacement time varies.

When to Change/Replace PUR Faucet Water Filters

If you have a PUR faucet-mounted water filter, you should replace the filter with a new one every 2 to 3 months, or after approximately 100 gallons (370-380 liters) of water used. Of course, this can vary depending on the level of water pollution in your area.

Here is a line-up of my 5 favorite PUR water filters for you to look up if you are having intention of buying a new one.

The indicator light on the filter will alert you when it is time to change it. When the light signals yellow light it means that the filter no longer removes contaminants with ease and should be replaced.

If the light is red that means that the water is no longer clean and the filter should be replaced immediately.

How to replace PUR faucet water filter - How To Replace A PUR Water Filter

How to replace PUR faucet water filter Via

When to Replace PUR Pitcher/Dispenser Water Filter

For pitchers and dispensers, it is recommended to replace the filter after every 40 gallons (150 liters) of water used. This is usually after 1 to 2 months, but obviously, this depends on the frequency of use.

When to Change/Replace PUR Refrigerator Water Filter

The PUR refrigerator filters are known to effectively filter 100 to 200 gallons (380 to 760 liters) of water. Of course, this also depends on the type of fridge that you have, however, PUR recommends replacing these filters every 6 months.

How to Replace a PUR Pitcher Water Filter?

Whether you own a faucet mount filter or a pitcher, this section will teach you how to replace the old PUR water filter with a new one, with ease.

Replacing a PUR pitcher water filter couldn’t be simpler, follow these steps:

  • Step 1: Remove the pitcher’s lid from the vessel and simply pull out the old filter. This doesn’t require any special strength. The filter should come out easily. Throw the old filter away.
  • Step 2: Remove the replacement filter from its packaging and place it in a glass filled with water. The filter should be completely submerged in water. Let it soak for 15 minutes. You can also add some vinegar to the water if you want to, but do not let it soak more than 10 minutes, in that case.
  • Step 3: Flush the filter for 10 seconds. Run normal water pressure over the top of the filter. Let it air dry.
  • Step 4: Simply insert the filter where the old one used to be.
  • Step 5: Fill the tray with water and enjoy!
Easy steps to replace the PUR pitcher water filter - How To Replace A PUR Water Filter

Easy steps to replace the PUR pitcher water filter Via

How to Replace a PUR Faucet Mount Water Filter?

At first, replacing the PUR faucet filter may look like an overwhelming process, but it is in fact, a very simple process.

Do the following steps:

  • Step 1: The first step is to remove the PUR filtration system from the faucet. You can do this by simply turning the filter’s threaded mounting nut clockwise. Twist the housing cap top open the canister. Make sure to do this over the sink as water leaking may occur.

Now, remove the used filter and discard. Wash the canister thoroughly.

  • Step 2: Remove the new filter from its packaging and hold it with the top side up. You will easily recognize which one is the top side, as it is marked “top”.  Now, insert the new filter into the canister.

Don’t worry about placing it right, as the filter and the canister are designed that way so a loose fit is guaranteed. It is also possible to hear a click.

  • Step 3: Screw the housing cap back on. You shouldn’t go crazy and screw it too tightly, but do it reasonably. The cap should be tight, but you should also be able to unscrew the cap with bare hands.
How to Replace PUR Faucet Mount Water Filter - How To Replace A PUR Water Filter

How to Replace PUR Faucet Mount Water Filter Via

  • Step 4: Reattach the canister to the faucet with one click. Now, turn the threading mounting nut in the opposite direction, counter-clockwise.
  • Step 5: Let the water flow through the filter for about 5 minutes. This will clean the new filter and allow you to drink clean water.

If you see cloudy water or even hear the sound of the water pushing the air through the filter’s cartridge, that’s a normal occurrence that will end once the system is successfully flushed. This usually happens after the first installation, but it is not uncommon to happen when replacing the filter.

There is no need for soaking the filter in water before installing it, however, if you want to, there is nothing wrong with that.

  • Step 6: You can now use your filter until the indicator light suggest otherwise.

How to Replace a PUR Horizontal Faucet Filter?

If you have a horizontal PUR faucet filtration system, the replacement process is the same as what I have mentioned above. The only difference here is that you will not hold the filter vertically, but horizontally.  Other than that, the replacement is the same.

How to Replace PUR Horizontal Faucet Filter - How To Replace A PUR Water Filter

How to Replace PUR Horizontal Faucet Filter Via

How to Replace a PUR Refrigerator Water Filter?

If you have a PUR refrigerator water filter but don’t know how to replace or want to avoid leaking water, then this section of the article will be of great help.

Here is how you can easily get rid of the old filter and install a new PUR refrigerator water filter.

  • Step 1: You may need to turn off the cold water supply to avoid leaking. However, newer refrigerators have built-in water filter bypass valves. If yours do too, there is no need for turning off the supply of water.
How to Replace PUR Refrigerator Water Filter - How To Replace A PUR Water Filter

How to Replace PUR Refrigerator Water Filter Via

  • Step 2: To remove the old filter, simply push the button found near the filter’s cap, and the filter will be ejected.
  • Step 3: The plastic cap should have an empty space in the lower half. Place your index finger there to easily pull the old filter out of the refrigerator. When doing so, make sure that the other end of the filter is kept upwards to prevent it from leaking water.
  • Step 4: Now, twist off the plastic cap by turning it clockwise. Set it aside. Throw the old filter away.
  • Step 5: Take the new filter. You will see how the new filter comes with a red plastic cover for protection. Remove it. Attach the plastic cap on the other end by simply turning it clockwise. You don’t have to do it too tightly. Simply ¼ of the way will do.
  • Step 6: Place the filter where it is supposed to go and push it firmly on the end with the cap. When the eject button pops out, the filter is in place. Tug on the cap to ensure that the filter is locked securely.


Regular filter replacement is essential for the system to provide clean water, however, it is not the only thing that is important. Cleaning the filter on regular basis is also of great significance to ensure that your family will drink healthy water. Make weekly filter cleaning a habit that will keep the safety of your water ata high level.

Now if you are struggling to troubleshoot your PUR water filter, read my complete guide of how to troubleshoot PUR water filters easily.

Good luck! 🙂


About Author

Hi, I’m Jennie who loves cooking and fascinated by healthy lifestyle. I set up this website to share with you all I know about cooking and making our kitchen a better place :)

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