How Long Do Reverse Osmosis Filters Last?

Reverse osmosis filters are a common item in water systems. And while they can be effective at removing pollutants, there are a few things to keep in mind when using them. Reverse osmosis filters typically last for around 10 years, but that’ depends on how you use the RO system. In fact, if you only use it regularly, it generally lasts for 3 to 5 years.


What are Reverse Osmosis Filters?

Reverse osmosis filters are designed to remove contaminants from water. They typically use a membrane to filter out thousands of gallons of water per day and help purify your drinking water.

In general, reverse osmosis filters work well for about 10 years. That time frame is based on the assumption that you use the filter regularly and not just when it’s absolutely necessary. If you only use the filter once in a while, you may only get 3 or 5 years out of it.

That’s why it’s important to make sure that a reverse osmosis filter is made from high quality materials and has been tested and approved by the Environmental Protection Agency (EPA).

There are many factors that go into making a good reverse osmosis filter, but here are three things to consider:

1. Make sure the membrane is made from high quality materials

2. Test the functionality of your filter before installing it into your system

3. Install your filter properly

How Does a Reverse Osmosis Filter Work?

Reverse osmosis filters use pressure and volume to remove contaminants from the water. They rely on a high pressure pump, which forces water through the filter and into a storage tank. From there, the water is pumped through a membrane to remove any unwanted substances.

A reverse osmosis filter works by using a semipermeable membrane with holes in it to let your desired molecules pass through and keep other substances out. The membrane is also able to measure the amount of water that goes through it, so you can keep track of how many gallons are passing through at any time.

When Should You Use a Reverse Osmosis Filter?

Reverse osmosis filters are a common item in water systems. They can be used to take out pollutants such as chemicals, minerals, and heavy metals. And while you may use them at home or at a business, they can also be found on large industrial water systems that use the filtered water for things like cooling towers or waste treatment facilities.

A reverse osmosis filter removes pollutants from water by using an extremely thin membrane with pores that are small enough to allow water molecules, but not larger particles like dirt or debris, to pass through. The filter works by forcing pressurized water through the membrane in one direction and then sending it back into the system after passing through the membrane with contaminants removed.

Generally speaking, reverse osmosis filters should only be used when there is an extremely high demand for clean drinking water where other methods have failed.

How Often Should You Clean your Reverse Osmosis Filter?

1. Make sure the filter is regularly cleaned

Maintenance is key to ensuring that your reverse osmosis filter lasts. If you don’t regularly clean the device, it will clog up and stop working. This can lead to a decrease in the performance of your system and wasted water.

2. Use a reverse osmosis filter that is made from high quality materials

The quality of your reverse osmosis filter will depend on its construction materials. Because these filters are exposed to harsh chemicals and other pollutants, they need to be made from durable materials such as stainless-steel or chrome plating. Materials like these ensure that the filter can last for a long time without breaking down.

3. Use a reverse osmosis filter that has been tested and approved

Before buying your reverse osmosis filter, make sure that it’s been tested and approved by an independent testing lab like NSF International or Underwriters Laboratories (UL). These labs test the quality of both the device itself as well as its construction materials to ensure safety and efficacy in use throughout your whole system.

How to Clean a Reverse Osmosis Filter

Reverse osmosis filters need to be cleaned periodically. A dirty filter can result in the water it produces being contaminated, leading to health risks. It’s also important that you make sure the filter is always properly maintained. Here are a few tips for how to clean a reverse osmosis filter:

1. Pre-filtering: The first step before cleaning a reverse osmosis filter is pre-filtering it. This will take out any large debris from the water before it goes through the filter and ensure that no one’s equipment or clothing gets caught in the process. If you want to pre-filter your water, add two tablespoons of baking soda per gallon of water, then let it sit for 10 minutes so that the baking soda can remove any large particles from the water.

2. Cleaning with vinegar: Vinegar will help remove rust particles and other sediment from your reverse osmosis filter, which can cause problems with the flow rate and quality of your water. To clean your filter with vinegar, pour one tablespoon of vinegar into a gallon of running tap water, then wait five minutes for it to work its magic on rust particles and other sediment stuck in your filter

3. Clean:  Finally, clean your reverse osmosis filter to make sure that it’s functioning properly. To do this, add one cup of white vinegar to your filter, then run it for five minutes. Once you get your water back, you can repeat this process again and again until the water is clear and clean.

4. Repeat: For best results, repeat these steps every week or two until you’ve removed all the sediment from your reverse osmosis filter. To help prevent clogs from occurring in the future, be sure to keep a close eye on how much sediment is in your filter and change it if necessary—but most importantly, always make sure that you’re ready for any emergencies that might occur with your water filtration system.

How Often Should Reverse Osmosis Filters Be Changed?

Reverse osmosis filters are important for water treatment and potable water systems. However, they can also be used in industrial and agricultural applications. Reverse osmosis filters are typically changed every 6 months, but you should check the manufacturer’s instructions to see what interval is best for your specific application. Some filters may be changed more often, and some less often.

How to Choose the Right Reverse Osmosis Filter for Your Needs.

Before you buy a reverse osmosis filter, there are a few things you’ll want to consider.

First and foremost, how often will you use the filter? If it’s only going to be used occasionally because it’s not part of your daily routine, then the lifespan of the filter might not be that long. However, if you plan on using it daily or multiple times per day, then you may only need to purchase one every 3-5 years.

Second, make sure that the materials used in the filter are high quality. Although low-grade materials can work for a short time period (hopefully less than 3-5 years), they could also start to deteriorate quickly and cause problems.

Third, find out if the manufacturer has tested and approved their product for use in water systems like yours. This can help ensure that the product is safe and reputable.

Fourthly, make sure that you regularly clean your filter so that it lasts as long as possible!

How do I know if my reverse osmosis filter is bad?

If you are concerned about the quality of your reverse osmosis filter, it’s important to know how you can tell if it is bad.

There are a few key signs that will indicate that it may be time for you to replace your filter:

  • Your water has a bad taste or smell
  • The membrane is discolored or clouded
  • There is sediment in your water coming from the membrane
  • The operation of the system has changed.

What happens if you don’t change reverse osmosis filters?

If you don’t change your filter, it could contaminate your water supply. Contamination can lead to a variety of health problems including gastrointestinal issues, skin irritation, and even respiratory problems. While reverse osmosis filters are meant to be effective at removing pollutants, they still may not be enough on their own.

Additionally, using a reverse osmosis filter that has not been approved or tested may lead to health risks and other issues.

If you want to make sure that your reverse osmosis filter is working properly and doesn’t contaminate your water supply, it’s best to change it regularly. This will also keep the life expectancy of the filter long so that you have the opportunity to use it for as long as possible.


Reverse osmosis filters are used to remove impurities from water. They work by passing water through a membrane that only lets pure water pass through. If you need to remove impurities from your water, installing a reverse osmosis filter is a great way to do so. While reverse osmosis filters work well, they don’t last forever. Here is how long they typically last.

Meet the author: Nancy Hernández

Nancy is a yoga instructor and a knitwear designer. She has been teaching yoga since 2013 and is certified by Yoga Alliance. In her spare time, she enjoys traveling, tennis and cooking. “As a mother of three, my kids keep me busy. But spending time with them is really a treat. They are growing up so fast and I do not want to miss anything!” Learn more about Nancy and the rest of the team.