top of page
metallic color gradient background.jpg
Search

Understanding Refrigerator Water Filters: Myths and Facts

  • Writer: Expo Appliance
    Expo Appliance
  • Sep 20
  • 4 min read

Updated: Oct 11

Refrigerator water filters are essential for providing clean drinking water. However, many myths surround their usage and maintenance. Let's debunk some of these misconceptions.


How Often Should You Replace Your Refrigerator Water Filter?


When it comes to replacing your refrigerator water filter, manufacturers typically recommend changing it every 6 months. But is that really necessary, or is it just a strategy to sell more filters? The truth is, while the 6-month recommendation is a general guideline, it's not always strictly required.


The 6-month timeframe is based on the filter’s capacity to remove contaminants and the manufacturer’s standards. Over time, filters become less effective as they trap contaminants, which is why they need to be replaced regularly. However, the actual need for replacement can depend on several factors:


  1. Water Quality: If your tap water is particularly high in contaminants like chlorine, sediment, or heavy metals, your filter may clog more quickly, requiring more frequent replacements.

  2. Filter Usage: The more often you use your refrigerator’s water dispenser or ice maker, the sooner your filter will reach its maximum capacity and need to be replaced.

  3. Water Flow: Some homeowners believe that a filter should only be changed when the water flow begins to slow down, and in some cases, that’s true. As the filter becomes clogged with particles, water flow may decrease. However, this is not always a reliable indicator. By the time you notice a reduction in flow, the filter may already be losing its ability to effectively remove contaminants.


If your fridge’s water dispenser is used infrequently and your tap water is relatively clean, you might be able to extend the life of your filter beyond 6 months. Just keep an eye out for any changes in taste, odor, or water flow. If any of these decline, it’s time to replace the filter.


Hand fills glass at a stainless steel refrigerator water dispenser. Buttons show options like ice and water. Bright, modern kitchen setting.

OEM vs Aftermarket Refrigerator Water Filters


When it’s time to replace your filter, you have two main options: OEM filters (original filters made by the fridge manufacturer) or aftermarket filters (generic filters made by third-party companies). Let’s take a closer look at both.


OEM Filters


OEM filters are designed by the same manufacturer that made your refrigerator. This means they are specifically tailored to fit your appliance and maintain its performance. They’re often the go-to choice for many homeowners because they come with a guarantee of compatibility.


Pros:

  • Perfect fit for your refrigerator.

  • Typically higher filtration quality.

  • Often covered by a warranty.


Cons:

  • More expensive than aftermarket filters.

  • Limited availability depending on your refrigerator’s brand.


Aftermarket Filters


Aftermarket filters are produced by companies other than your fridge’s manufacturer. While they tend to be cheaper, there’s no guarantee they offer the same quality of filtration.


Pros:

  • More affordable than OEM filters.

  • Widely available, especially for older models.


Cons:

  • Quality can vary from brand to brand.

  • May not provide the same level of filtration as OEM filters.

  • Potential compatibility issues with some refrigerator models.


If you’re considering saving money, aftermarket filters can be a good option. However, make sure to choose a reputable brand that offers reliable filtration and a good fit for your refrigerator.


What Do Refrigerator Water Filters Really Remove?


A key part of maintaining safe and clean drinking water is understanding what your refrigerator filter actually removes. While different filters vary in their effectiveness, most refrigerator water filters target the following contaminants:


  • Chlorine: While chlorine disinfects water, it can also leave an unpleasant taste and odor. Filters help to remove this chemical.

  • Sediment: Dirt, sand, rust, and other particles can find their way into your water supply. Filters help keep water clear and free from debris.

  • Heavy Metals: Contaminants like lead, mercury, and copper can be harmful. Many refrigerator filters are designed to reduce these substances in your water.

  • Pesticides and Herbicides: Water from agricultural areas may contain pesticide or herbicide residues. Many filters are effective at removing these harmful chemicals.

  • Bacteria and Cysts: Some advanced filters can remove harmful bacteria, viruses, and cysts, ensuring that your drinking water is microbiologically safe.


It’s important to note that not all filters are created equal. The filter type and brand can affect how many of these contaminants it can remove. Some filters may focus primarily on removing chlorine and sediment, while others offer a more comprehensive filtration system, targeting heavy metals, bacteria, and other toxins.


The Bottom Line


The general 6-month replacement recommendation is a good guideline, but it’s not always necessary to replace your refrigerator filter exactly on that schedule. If you don’t use your water dispenser or ice maker heavily and your tap water is fairly clean, you may be able to go longer between replacements. Keep an eye on water quality and flow, and replace your filter when you notice any decline in performance.


When it’s time to replace your filter, consider whether you want to go with an OEM or aftermarket filter. OEM filters tend to be more reliable and offer the best performance. However, aftermarket filters can save you money if you're willing to do a bit of research to find a good-quality one.


No matter which filter you choose, remember that keeping your water clean and free from contaminants is essential for the health and safety of your family. If you ever need help with selecting or installing a new water filter for your refrigerator, feel free to reach out to Expo Appliance Service. We’re always here to help with all your appliance maintenance and repair needs!


Hand replaces a refrigerator water filter labeled RPWFE. Berries in bowls are on the right. The setting is a fridge interior.

 
 
bottom of page