Drinking clean and safe water is essential for our health. Tap water contains various harmful contaminants and pollutants that can cause serious illnesses. Therefore, it is necessary to filter these impurities before drinking and using. And for this, the most common and easiest method is the inline water filter.
These inline water filters are ideal to use as they are quite easy to install. They get directly connected with the water supply line to filter out various impurities from your tap water to give you clean and fresh water and ice.
They can also be used in refrigerators, icemakers, water coolers, RVs, and others to provide you with chilled filtered water along with tasty ice.
Also see: Best Inline Water Filters for Ice Maker: Make Ice with Pure Water
So, if you haven’t tried an inline water filter yet, then it is recommended to use it. But the selection process is not easy as various manufacturers claim that they offer the best inline water filters.
Best Inline Water Filters (Comparison)
|Best Inline Water Filters|
|Editor's ChoiceWatts Inline Water Filter||LATEST PRICE →|
|Culligan Inline Icemaker and Refrigerator Filtration System||LATEST PRICE →|
|Camco 40043 TastePURE RV/Marine Water Filter||LATEST PRICE →|
|Woder Ultra High Capacity Inline Water Filter||LATEST PRICE →|
|Inline Water Filter Kit for Ice Makers||LATEST PRICE →|
|GE SmartWater Inline Filter System||LATEST PRICE →|
|Omnipure K2533JJ Inline Water Filter||LATEST PRICE →|
|DuPont Universal Whole House Water Filtration System||LATEST PRICE →|
|LASCO 37-1821 Ice Maker Inline Filter||LATEST PRICE →|
1. Watts Inline Water Filter – Highest Water Filtration Capacity
- Dimensions: 10 x 2.5 x 2.5 inches
- Weight: 1.85 Pounds
- Filter Life / Capacity: 20,000 gallons of water
More Features: It comes with maximum filtration capacity. Due to the slim design, it occupies less space. Furthermore, the maintenance is very easy.
Watts Premium offers one of the best inline water filters that you can use in refrigerators, water coolers, RVs, and ice-makers. With 20,000 gallons of filtration capacity, it delivers cleaner, tastier, and healthier drinking water.
This filtration system uses Kinetic Degradation Fluxion (KDF) treatment to filter out various chemicals that change the taste and odor of water. The filter reduces chlorine, particulates, sediment, and other contaminants in the most effective manner.
The product is NSF certified. Also, it offers maximum filtration life as it also owns WQA certification. If your water supply line is of ¼ inches, then you can use this inline filter without any inconvenience.
The Inline Cartridge from Watts Premium comes with a 10-inch KDF inline filter along with two brass connectors (1/4 inch).
Another good thing about this filter is that it is easy to install. There is no need to do any modification in your plumbing system. Also, it requires no maintenance, but it is recommended to check the unit every six months.
As the filter life is of 20,000 gallons but how much gallons of filtered water it can produce before replacement depends on the quality of water and usage.
2. Culligan Inline Icemaker and Refrigerator Filtration System – 3000 Gallons Filter Life
- Dimensions: 4 x 4 x 12.5 inches
- Weight: 1.65 Pounds
- Filter Life / Capacity: 3,000 gallons of water
More Features: This Inline water filter is NSF-certified and comes with 0.5 gallons/min water flow. The filter replacement is super easy for users.
This inline filtration system from Culligan is designed to fit in refrigerators and ice makers to provide you clean and fresh water and ice every time. The included filter cartridge can last up to 3,000 gallons of water. Otherwise, if your usage is less than you can keep it for one year.
In order to replace the filter cartridge, you don’t need to put extra effort, the Culligan twist on and off feature allows you to replace the cartridge in seconds.
This inline filtration system is NSF certified. It meets the NSF/ANSI standard 42 for reducing particulates class III along with chlorine. It improves the taste and odor of the water affected due to the presence of chlorine.
The package includes a filter cartridge (RC-EZ-1), head assembly, mounting screws, and reminder stickers for cartridge change. The head assembly from Culligan can also fit different replacement filters including RC-EZ-3 and RC-EZ-4.
Other than this, it allows water to flow with a rate of 0.5 gallons per minute 60 psi pressure.
3. Camco 40043 TastePURE RV/Marine Water Filter – 3 Months Filter
- Dimensions: 2.5 x 2.5 x 10.5 inches
- Weight: 1 Pound
- Filter Life / Capacity: 3 months
More Features: It comes with super easy installation. The filtration system has a reliable 20-micron sediment filter for 99.99% efficiency. It has a higher water flow rate.
This inline filter from Camco is a multi-purpose filtration system. You can attach it to any standard gardening or water hose. The filter is great for gardening, RVs, boats, campers, and much more. It is quite easy to install with no assembly required.
See more: 10 Best RV Water Filter Reviews
The 20-micron sediment filter, along with GAC (Granular Carbon Filter) and KDF filter, removes various toxic and harmful impurities. The sediment filter allows passing particles less than 20 microns and filtering the greater ones. The GAC filter is responsible for removing chlorine, aluminum, hydrogen sulfide, mercury, heavy metals, turbidity, and odor. And the KDF filter prevents bacteria and fungus growth when the filter is not in use.
It has a wide body design for a higher water flow rate. The flexible hose protector that comes with the filter ensures a smooth water flow. It can be easily attached and detached from the faucet.
The lifespan of this inline water filter is about three months. But the filter life hugely depends on the type of water running into the water pipeline.
4. Woder Ultra High Capacity Inline Water Filter – 10,000 Gallons Filter Life
- Dimensions: 12.2 x 2.8 x 2.8 inches
- Weight: 1.4 Pounds
- Filter Life / Capacity: 10,000 gallons of water
More Features: This water filter is perfect for marine water purification and filtration. It comes with 3 gallons/min water flow. Furthermore, the slim design occupies less space.
This inline water filter unit from Woder features advanced selective filtration technology to make the water free from contaminants and ready for drinking. It uses the RO membrane to filter out the impurities. Also, it adds up minerals to provide you water filled with health and taste.
It is not an under sink water filter, designed to fit in refrigerators and ice makers. It needs a ¼ inch water supply line to connect easily. The unit doesn’t come with hoses; also it is not designed to fit braided hoses.
It has a filtration capacity of 10,000 gallons or can last up to 3 years to provide you uninterrupted filtered water and ice.
The filter removes lead, chlorine, VOCs, heavy metals, turbidity, chromium 6, mercury, THHs, PCFs, and bad taste and odor.
There is no need to question the quality of the product meets the ANSI standards. Other than this, it offers a flow rate of 3 gallons per minute at 65 psi pressure.
5. Inline Water Filter Kit for Ice Makers – 1500 Gallons Filter Life
- Dimensions: 10.6 x 6.3 x 3.8 inches
- Weight: 1 Pounds
- Filter Life / Capacity: 1500 gallons
More Features: This inline water filter comes with easy assembling feature. The company provides you with a quick telephonic support. It has a life-time warranty.
PureWater Filter offers one of the best inline water filter kits suitable for ice makers. It offers pure and clean water and ice up to 1500 gallons, and after that, the filter needs a replacement.
It is tested and verified against the NSF/ANSI standard 42 to provide water free from chlorine odor and taste. It improves the water taste and removes the bad smell.
The filter is quite easy to assemble and connect with the ice maker. It comes with ¼ inch water line (15 feet long), two water line adapters of ¼ inches, shutoff valve, and mounting bracket along with screws. Also, if you need any assistance during the installation process, then you can refer to provided instructions available with graphics.
Along with the features mentioned above, the company offers a lifetime warranty free. Also, there is a telephonic support available.
But one thing that is not good about this product according to some users is that it has poor quality fittings.
6. GE SmartWater Inline Filter System – 6 Months Filter Life
- Dimensions: 2 x 10 x 2 inches
- Weight: 13.4 Pounds
- Filter Life / Capacity: 750 gallons of water
More Features: This water filter is ANSI/NSF certified. It comes with 6 months filter life. You can maintain it easily. The assembling doesn’t take much time.
There is nothing better than GE SmartWater inline water filter if you want to buy a quality product at an affordable price. This water filter is designed to fit in refrigerators and icemakers.
This model from GE can filter up to 750 gallons of water or 6 months, and after that, you have to replace the filter. It is comparatively low filtration capacity, but if you are buying it for an icemaker, then it is enough.
It is the NSF/ANSI certified product, so there is no need to worry about its quality and filtration abilities.
It is designed to fit in every refrigerator that doesn’t feature a built-in filtration system. Also, it offers a hassle-free installation. You can easily attach it to the existing water line for your refrigerator or icemaker. Its twist and lock design also make it easy to replace the filter cartridge.
The filter helps you to get rid of chlorine-resistant cysts, asbestos, lead, sediment, and other contaminants.
Sometimes, the filter causes some leakage, so it is recommended to ask the dealer about this problem.
7. Omnipure K2533JJ Inline Water Filter – 1500 Gallons Filter Life
- Dimensions: 10 x 2 x 2 inches
- Weight: 12 Pounds
- Filter Life / Capacity: 1500 gallons of water
More Features: This water filter comes with quick-connect compression fitting. Moreover, you can maintain it with great ease.
With 1500 gallons filtration capacity, this Omnipure inline water filter is the perfect companion of your refrigerators, beverage equipment, icemakers, RO systems, and under the counter systems.
It treats the water well to eliminate bad taste and odor along with removing the traces of chlorine. This filter is a post RO acid washed GAC inline filter that makes the water free from chlorine and makes it tasty and odorless for drinking.
This inline filter doesn’t require any hard work or tools to install or replace. It is equipped with quick-connect compression fittings (1/4 inch) that offers hassle-free installation. All you need is to remove the caps from both ends of the filter to connect it with the waterline.
Other than this, it offers a flow rate of 0.5 gallons of water per minute which is neither good nor bad. Also, the maximum pressure is 125 PSIG.
One thing you should note is that it must be used with plastic tube fitting. Also, the instructions are not provided with the product which is not good at all.
8. DuPont Universal Whole House Water Filtration System – 15,000 Gallons Filter Life
- Dimensions: 13.7 x 5.6 x 5.4 inches
- Weight: 2.1 Pounds
- Filter Life / Capacity: 15,000 gallons of water
More Features: This inline water filter comes with easy installation process. It has a good filtration capacity i.e. 1500 gallons of water.
DuPont offers a reliable whole house inline water filtration system that comes with 3-years limited warranty. It can fit most of the whole house water filter brands, so using it with any filtration unit is not a problem.
The filter is designed to use at offices along with homes. It offers a good filtration capacity of 15,000 gallons. Also, it features a universal 500 series poly block cartridge.
The filter removes sediment from the water, makes it clear, and enhances its taste to make it drinkable. Its ¾ inch inlet and outlet make it easy to connect with the water supply lines.
It also helps to increase the life of your appliances as it removes sediment. Your appliances that use water won’t get clogged due to the removal of sediment from the tap water.
The filter comes with housing, filter cartridge, wrench, and a bracket to mount.
9. LASCO 37-1821 Ice Maker Inline Filter – 2500 Gallons Filter Life
- Dimensions: 2 x 2 x 10.5 inches
- Weight: 8 Ounces
- Filter Life / Capacity: 25,00 gallons of water
More Features: Lasco water filter has 2500 gallons filtration capacity with one filter. It comes with compression connection fitting. Moreover, you can maintain this water filter with great ease.
The last inline water filter on our list is from LASCO. It is an icemaker inline water filter that has a filtration capacity of 2500 gallons. Or it is better to replace the filter every six months.
This inline filter is responsible for improving the taste of the water. Also, it removes any bad smell present in the water due to chemicals or heavy metals. The filter is quite effective in removing sediment, turbidity, THMs, and chlorine. It also prevents scale build-up and corrosion.
It features ¼ inch compression connection fittings that make it easy to connect with the existing line.
But according to different users, the quality of the product is not like that as it is advertised.
To make your selection process easier, we have made a list of the best nine inline water filters available in the market. Go through them to select the best one according to your needs. But before doing this, learn some important information related to inline water filters in the buyer’s guide section. Also, you are going to know the factors that you should consider before spending money on a particular water filter.
In this buyer’s guide section, you are going to know about the inline water filtration system, its benefits, and other related information. Also, we will highlight the factors that require your consideration before purchasing the best inline water filter.
Inline Water Filtration System
The main purpose of water filtration units is that they make the water free from various harmful contaminants to make it usable and safe for drinking. So, the inline water filtration system is the most inexpensive, common, and easiest method for water filtration. These inline filters get directly attached to the water supply line or the appliances including ice makers, refrigerators, water coolers, and so on.
When the incoming water passes through these filter units, it gets filtered to provide you clean, safe, and healthy drinking water and ice. But different filters have different filtration capacity. Some can remove different contaminants whereas some are quite effective in dealing with other impurities.
Benefits of using an inline water filter
- The first benefit of using an inline water filter is that it saves a lot of space. Since these filtration systems are attached directly to the water supply line in most of the cases, so they are excellent in saving space.
- Another benefit of using these filters is that they are quite affordable. Also, the replacement filters are easily available at a good price. The inline filters don’t put weight on your pockets even in the long run.
- Inline water filters are quite effective in treating water. They remove various contaminants present in the tap water to make your incoming water and ice drinkable and usable. Also, most of the filters improve the water taste and odor that gets changed due to the presence of chlorine.
- Many of the inline filters are designed to fit in various appliances like refrigerators, water coolers, icemakers, beverage equipment, and more.
- They also have a good life span of 6 months which makes them durable.
- The last but not the least benefit of these inline filters is that they don’t need a high amount of water pressure.
When to replace the inline water filter
There are various things that you need to look at to replace your inline water filter.
- The best time to replace the filter is when it reaches its filtration capacity. Different models come with different water filtration capacities, so when your filter reaches that capacity, replace it with a new one.
- You also must have to change the filter when it completes its life as mentioned by the manufacturer.
- When you feel your water or ice changing its taste, then you should buy a new filter to replace the old one.
- If there is some smell present in your water, then it means your filter has completed its life.
It is quite necessary to replace the filter on time to prevent various illnesses caused by the contaminated water. Many people don’t bother to check the condition of their filters which is quite an unhealthy practice. Your health is in your hands, and you are negatively affecting it by not replacing your filter on time.
Filter Installation / Replacement
If you are looking for an inline water filter to fix it at home or office, then you can do it on your own. Most of the inline water filters offer hassle-free installation and replacement. There is no need to take the help of an expert to fix or change your filter. All you need is to follow the instructions provided to get the job done.
But there are some models that need the help of an expert. These complex water filters take around 10 to 30 minutes to get installed or replaced. Therefore, it is better for you to go for a water filter that offers stress-free installation.
Factors to consider when purchasing inline water filters
There are various factors that need your consideration before buying the best inline water filter. So let’s dive into those factors to get a better idea of which of the things you should look for at the time of purchasing.
Removal of contaminants
Inline filters are quite effective in removing various harmful contaminants from the tap water that can make a person ill. But every filter differs from the other one when we talk about the filtration capacity. Here filtration capacity means how many contaminants and pollutants a filter can remove from the incoming water.
Some inline water filtration systems feature an excellent water filtration capacity. They are capable of removing more than 60 different contaminants and pollutants from the tap water that can make us ill. Also, there are some filters that can eliminate around 40 various impurities from water. But there are also different inline water filters available that can only reduce 20 to 25 contaminants. Other than this, some water filters claim that they can remove contaminants up to 99.99%.
So, it is necessary to get a filter that can remove as many contaminants as possible. Activated carbon filters are commonly used that eradicate chlorine, organic elements, THMs, and other pollutants. But if your water carries other heavy metals, nitrates, and sulfates, then it is recommended to go for a high-end filtration unit that can remove all these impurities.
We all know that inline filters are best in filtering out various harmful contaminants from the tap water, but the removal of impurities is not the only task of these systems. These filters also remove the bad taste and smell of water. Also, they are responsible for keeping essential minerals in the water. So, if the inline filter is responsible for all this, then you should buy a filter that can do all this.
If you don’t know which type of inline filters can do all these things, then the answer is activated carbon and reverse osmosis filters. They not only improve the taste of water but also eliminate the bad odor to make it safe, tasty, odorless, and healthy for drinking.
The lifespan of a Filter
Another factor that needs your consideration is the lifespan of the inline water filter. Every model differs from the other in terms of filter lifespan. Some of the water filters have a life span of 750 or 1500 gallons whereas some can filter up to 3,000, 10,000, and even 20,000 gallons of water. Some inline water filters last up to 6 months. On the other hand, there are filters that can live for three years without a need for replacement.
Daily Filtration Rate
The daily filtration rate of the inline filter also needs to be checked. How many gallons per day (GPD) your filter can deliver is necessary to ask so that you can get the right filter according to your needs.
Better and advanced inline water filters provide a good filtration rate, so it is recommended to go with them.
Ease of Installation
No one wants to spend much time on the installation of these inline filters, and that’s why many people prefer those models that offer hassle-free installation.
There are many companies that provide great convenience to their users and create models that offer a stress-free installation process. So, before purchasing your ideal inline water filter, make sure that it is easy to install.
Replacing your installed water filter is essential to get clean and healthy water and ice every time. The more you delay the replacement, the more it will become harmful for you. So, it is essential to replace the filter on time. But if we talk about how much you will require paying for replacement every time, then every model differs in this regard.
But there is no need to worry as most of the models in the list won’t put much stress on your pockets. Also, it is suggested to always go for the inline water filter that comes with a good life span so that you won’t need to replace it every six months.
Amount of Water Wastage
If you pay for your water, then this factor must be considered by you. There are some water filtration systems available that waste a good amount of water to provide you a gallon of filtered water. Therefore, it is necessary to make sure that you are buying a filter that won’t consume much water for filtration.
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