6 Best Inline Water Filters of 2023 – Updated Reviews & Buyer’s Guide

Planning to buy a system that filters out pollutants from every drop of water demand minimum maintenance and costs you less? Then the inline water filters are the ideal choice for you. The inline water filters are the smart solution now, serving as a token to access clean and pure water by just pressing a button.

These budget-friendly filters have turned the heads owing to the convenient use, astonishing output, and the reliability they offer. Apart from that, maintaining a healthy well being is the right of every individual, and inline filters are the rescuer with a low price tag.

We have gathered the six best inline water filters that are just a click away from being at your doorstep. These filters have received phenomenal response online from the reviewers and consumers with staggering performance.

Top 6 Best Inline Water Filters – Top Updated Picks in 2023

1. Filtrete Maximum Under Sink – Best Inline Water Filter

Looking for a long-term solution to provide safe and pure water to your family and for yourself, then the Filtrete Maximum Water filter system can be your choice. It is a top-rated best seller product in the category of inline water filter systems, for it has conceded excellent services to a great number of buyers. An in-detail analysis will guide you more about this particular system.

Filtrete company offers three models in the inline water filter system series, and this one is the optimized model that we say as the “Filtrete Maximum.” It shows phenomenal action against water pollutants, reducing 99% of their concentration in water. Although its prime target is lead, it effectively counters microbial cysts, chlorine, and its odors, as well as sediment, rust, and dust particles.

This filter has a filtering accuracy of 0.5 microns, which is that the particles with a minimum size of 0.5 microns would be removed from the water. This appliance has been tested and certified for functioning as per international standards against NSF / ANSI Standard 42 and 53. However, it is only suitable for cold water supply only.

 

The filter follows a simple installation procedure making things quite more straightforward for you. The complete installation will take around 30 minutes, and the filter will continue its performance for the next six months. Moreover, you can quickly change the filter with the ¼ Turn Filter replacement system, and through the easy push-fitting connections. With a flow rate of 1.5 gallons per minute, it has an overall filtering capacity of 1500 gallons.

Filtrete is a durable product that will be delivering magnificent results filtering contaminated water, making sure that every drop pouring out from the cold water supply is pure, fresh, and clean. It’s a cost-effective quick-fix saving you from waterborne illness.

2. Watts Inline Water Filter – Best Inline Refrigerator Water Filter

The best you can get for your water supply line is Watts Inline Water Filter. It registers a thumping impact of satisfied customers and stands second on our list of best inline water filters. Premier, as a renowned brand, manufactures innovative products for filtering water. Setting up this filter with the water source will be enhancing water quality without needing to change the filter for a long time.

Working on the principle of KDF filtration, Watts shows splendid performance for filtering water through the exchange of ions. The Kinetic Degradation Fluxion technique is used to reduce chlorine, hydrogen sulfide, heavy metals such as chromium, mercury, lead, along with microorganisms including bacteria, fungi, and algae.

The filtering unit here is the cartridge that contains a KDF Inline Filter measuring 10 inches. Moreover, the inline cartridge contains two ¼ inch brass connectors. This means that this inline filter will be compatible with all the water pipelines of ¼ inch. So it is a perfect match for ice-makers, refrigerators, water coolers, fountains, RVs, campers, boats, and residential plus commercial coffee makers.

You don’t have to worry at all when it comes to installation because it fits comfortably and does not disrupt the plumbing setup of your house. Requiring very less maintenance, you just have to mount it on the target, and leave the rest on the filter.

Being certified by WQA to NSF/ANSI 372 Lead-Free and NSF/ANSI Standard 42, this inline filter performs diligently for removing the primary pollutants such as lead and chlorine from water. This filter can treat around 20,000 gallons of water in an estimated lifespan of 6 months and filters particles up to the size of 10 microns.

Watts Inline filter is a high-capacity instrument, that is going to give consistent performance throughout. Filtered water for six months without frequent maintenance sessions at an affordable price is the best deal you can get.

3. Culligan IC 4 EZ-Change – Best Inline Water Filter For Ice Maker

Culligan takes inline water filtering technology to an advanced level, with the IC 4 EZ-Change water filtering system. Imparting innovation, quality, and vitality, this system provides quality water to the refrigerators and ice-maker systems. It got our attention as the best inline water filters and will catch yours as well because of the convenience it offers, and the results it delivers.

This premium filter, when connected with your selected water filter, has the capability to remove chlorine, chloroform, class I particulate matter, microbial cyst, mercury, lead, and MTBE. Entailing a level-4 premium filter system, it greatly enhances the taste and quality of water used for ice-making, cooking, and drinking. This filtering performance of removing chlorine and its odor is certified by NSF International to NSF/ANSI Standard 42.

The total capacity of this inline filter is 500 gallons, and it works for about six months, based on consumption and usage. The flow rate is 0.5 gallons per minute. This package includes mountain screws, a filter cartridge, and a cartridge change reminder sticker that reminds you to change the filter when it is needed.

 

Following the instructions given in the manual guide, you can simply install it with the help of quick-connect fittings. Another exciting feature is the twist-on and twist-off mechanism, which allows you to replace the filter effortlessly without the need of any professional or plumber.

Culligan has been delivering for more than 80 years and is a recognized brand in the industry. The head assembly of this water filter has complete compatibility with the Culligan replacement cartridges. Having said that, this can be worth the investment.

4. AQUACREST GXRTQR – Best Inline Water Filter For Fridge

Confidently step into living a healthy lifestyle with Aquacrest inline water filter. This appliance has superior filtering aspects that ensure every single sip of water is fresh, clean, and pure. It focuses on removing salts and chemicals from water and stands among the list of best inline water filters as a product that people can trust.

Aquacrest delivers a pack of three filters, and it is strongly recommended to check its compatibility with your refrigerator. It is designed carefully, assuring strength and precision so that it fits perfectly, and there are no leakage issues.

The filter contains naturally activated coconut carbon that has the ability to remove certain contaminants from the water. They include chlorine, fluorine, limescale, and much more. While it effectively removes chlorine and its odor, the elimination of fluorine presents a great shield against the damage caused to the body by the fluoride molecules.

 

Moreover, it removes limescale, thus preventing the formation of salts and scales, consequently enhancing filter life and quality of water. It filters 2000 gallons of water in a period of 6 months and commits to its service of maintaining the refrigerator and water system’s water fresh and pure.

Aquacrest features an optimized structure that perfectly fits its compatible model. With its advanced filtration techniques, Aquacrest gives a tough competition to other inline water filters, and that too at an economical price.

5. Woder WD-10K – Small Inline Water Filter

Woder guarantees the provision of water that is as fresh and safe as spring water. It is designed to attract impurities and to retain the nutritional elements inside the water. Wonder WD-10K stands as a strong contestant among the top-rated inline water filters. Now be sure that you and the people around you at your house and workplace drink the safest water.

Woder features and advanced selective filtration technology that shows a strong affinity towards impurities, so it purifies the water from 99.9% of the contaminants. The filter has demonstrated proficiency against chromium 6, chlorine, carcinogens, lead, mercury, and other pollutants. This whole process does not affect the beneficial essence of the water; rather, it retains minerals like magnesium, calcium, potassium in the water.

 

The filter takes 5 to 15 minutes for a complete setup following the instruction manual, and there is no requirement of tools or professionals. The company claims water quality better than that of the water treated through reverse osmosis. Forget the worries of changing the device for the next three years or until it completes filtering around 10,000 gallons of water.

This filter shows compatibility with ¼” Flexible Copper Tubing and Plastic Flex Tubing. The package does not contain hoses as it connects directly to the water supply line. Moreover, the filter functions as per international standards and is certified by WQA.

Woder simplifies water filtration and intensifies the wellness of water with its splendid design, structure, and functionality. It works finely, presenting a better alternative for water bottles. You can set it up with water supplies in the office, home, restaurants and enjoy the benefits of fresh water.

6. PureWater Filters – Inline Water Filter Kit for Ice Makers

Offering you a free lifetime warranty and 100 percent satisfaction, this inline water filter has convincing power to let us rate it in the list of best inline water filters. This product provides ice with better taste and water with high quality.

It efficiently removes chlorine and its odor, and this is evident because it is tested and certified by NSF International for ANSI/NSF standard 42. Its total capacity is filtering 1500 gallons of water for one year.

The package contains a new filter with quick-connect fittings, two water line adapters that can connect swiftly, mounting screws and brackets, ¼” water line certified by NSF, and ¼” shut off valve. This assembly, when arranged by following the instructions guide makes installation quick and easy.

This filter has versatile functionality with under counter water systems, under the sink, refrigerators, and ice-makers. The Purewater inline filters serve exceptionally as it focuses on filtering chlorine from water.

If high chlorine concentration in your tap water is an issue you are facing, then this inline filter is one prominent solution for you. It is certified to remove chlorine content from the water, this proffering you clean and tasty water.

Benefits of Inline Water Filters

The inline water Filters are responsible for providing you water that is free from the taste of chlorine, the odor of chlorine, and other heavy metals. Apart from this, here are some of the advantages put forward by the inline water filters.

They are economical and won’t cost you more investment. The primary investment will be in buying the filter, and then it is not going to require expenses for maintenance or cleaning. The inline water filters can work continuously without the need to replace the filter cartridge for a period of 6 months or a year.

They filter vast quantities of water, probably thousands of gallons of water until their capacity is reached. The cartridge contains activated carbon filters that are efficient in removing lead, mercury, chromium, chlorine, microbial cysts, and other pollutants. The carbon filter retains the healthy minerals inside the water. Thus the goodness of water remains intact.

Who would like to drink water that tastes bad because of the loaded contaminants inside? The taste of water is much improved after it passes through the filters. So it is safe to use for drinking, brewing coffee, or tossing in ice in beverages.

The assembly of the inline water filters is quick and easy. All you have to do is to follow a video tutorial or the instructions manual so that you fix it without a single hassle in your way. They are compatible with water supply connecting with the refrigerators, ice-makers, under the sink, and under the counters.

How to Install Inline Water Filters?

Here are the general steps you have to follow for installing a water filter. Since the instructions may vary from model to model, we recommend to read and work according to them carefully.

1. First of all, check the compatibility of the filter with your water supply connection. Remember, the inline water filters are intended to be used only with the cold water supply connections.
2. Find and locate the supply line where you have to fit it in. It can be with the refrigerator or the pipeline under the sink.
3. For the time being, turn off the water supply, take out the cold water pipe, and create a gap by cutting the water tubing. These tubings are normally ¼.”
4. Now connect the inlet with the filter and tug it inside, so it doesn’t come out.
5. Afterward, flush out the carbon dust and residue by turning on the water supply and let at least 2 gallons to pass through, and then shut off the water supply again.
6. It is now time to connect the outlet tubing with the filter.
7. Mount the filter on to the wall with the help of brackets and screws
8. Turn on the water supply, and the filter is ready to go.

A Guide to Pick the Best Inline Water Filters

A guide that explains the factors you have to consider before making a deal is equally important.

The compatibility of the inline water filter with the refrigerator is the initial step you have to check, and that is either you refer to the company or see it online. The filters are designed mostly to fit in ¼” tubing. Most companies offer you this service of checking the model and its compatibility with a particular inline filter.

The filtering appliance must have the ability to remedy abundant quantities of water so that it lasts longer, and you don’t need to replace the filters frequently. A high-grade filter will be giving a consistent performance for at least six months.

Easy, quick assembly and mess-free installation is the pristine facility an inline filter can offer you. Either with the adapter or the quick-connect fittings, installation of the water filter onto the desired location will be effortless and straightforward.

Filter replacement is a tough and challenging task for many of us. However, numerous inline filters have the ¼ turn or the twist on/off technology that helps you take out the filter quickly and place the new one.

Being certified by NSF or WQA is the quality that is evident in the condition of the water. As we are using the filters to enhance the water quality and taste, a certified recognition is necessary to have you satisfied with the performance of a particular filter. These certifications mean that the filter works according to the international standard and has proven its effectiveness against the water contaminants.

Heavy metals such as lead, mercury, and chromium can become a serious threat to health. In contrast, the microbes can lead to waterborne disease; the inline water filters must show maximum potential against these toxins, and provide you freshwater and ice.

Filtrate accuracy is also an essential factor. Having the ability to filter micro-sized particles is a bonus point. Most filters can filter up to 5 microns, and others can go even further to the size of 0.5 microns. This particular feature optimizes the beneficence of the filter. So do foresee the accuracy of the filter before making a purchase.

Flow rate is the amount of water in gallons that flow through the outlet in a minute. Flow rates are normally fast in the beginning, but with the accumulation of contaminants, the flow rate might slow down. Therefore, you have to check that the filter does not fail in this regard.

Affordability is the matter when you are looking for a cost-effective solution. Although the inline filters are budget-friendly yet you have to see that will they provide high-end service if they cost you more money.

Conclusion

To provide quality water to you and your family, several top-ranked manufacturers are committed to delivering excellence. Improved water quality is a preferred choice for us because of the alarming issues the world faces due to water.

From the six best inline filters we reviewed above, we are mentioning here the top three picks that can be your next choice.

• Filtrete Maximum Under Sink Water Filtration Filter for durability and easy installation.
• Watts Inline Water Filter for less maintenance and huge filtering capacity.
• AQUACREST GXRTQR inline water filter for entailing coconut carbon filter and removing fluorine.

Having said that, we are confident that on your way of living a healthy lifestyle, the inline water filters can be a great addition to your house. Fitting them is as easy as a DIY project, and they don’t require frequent replacement after one or two months.

Wrapping it, we are now hopeful that this post has helped you a lot in gathering relevant information about the best inline water filters. Share your feedback and stay connected for more. Happy Shopping!

Frequently Asked Questions (FAQs)

How long does an inline water filter last?

An inline water filter is expected to last for at least six months, and if it is built to withstand more, it can last for a year.

What happens when you don’t change your water filter?

If you don’t change the filter when its limit is reached, the efficiency will be dropped multifold, and it will be apparent as the water quality will not improve somewhat deteriorate in taste and odor.

Can old water filters make you sick?

Yes! They can provide an environment for the bacteria to grow; this can lead to health issues.

Is Boiling tap water the same as filtered water?

Boiling tap water can remove only the microorganisms, but what remains inside are the heavy metals and toxins. The only effective way to remove heavy metals is to filter them out.