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8 Best Water Filter Products [2021]: Reviews & Buying Guide

If you want to stay healthy, then it’s important to make sure that you eat quality food and hydrate yourself properly. Unfortunately, tap water is full of chemicals and toxins that can damage our health. That’s why you want to use a good water filtration system to remove impurities and help you maintain the best possible health in the long run. With that in mind, it’s important to note that a water filter is healthy, dependable and it can bring in front some really impressive results.

However, the problem is that you can find a variety of water filtration systems on the market, and that’s why you need to know how to find the best. Thankfully, you have a variety of different opportunities and features to focus on here. But it’s totally worth the effort, and that’s the thing you want to focus on the most. Some water filtration systems clean and purify water via reverse osmosis, others are carbon based, not to mention you can find some faucet-mounted and countertop units as well. Here are some of the best water filtration systems that you can buy right now.

1. iSpring RCC7AK 6-Stage Reverse Osmosis Drinking Water Filter System – Best Overall Undersink RO Water Filter 🏆

iSpring RCC7AK is a remarkable unit, one of the best water filtration systems that you can find out there. We noticed that it can help remove upwards of a thousand impurities, and the efficiency is more than 99%. Not only that, but it has a 6-stage filtering system that helps eliminate any unwanted compounds fast and with amazing results every time. You do need the water pressure to be at least 45 PSI, if not 70. But it does work great, and that’s the best thing about it.

You need to mount it under the sink, but the process is pretty simple and straightforward. Thankfully, once you do install it properly, this product will remove some of the most common water toxins. This includes viruses, bacteria, asbestos, arsenic, lead and chlorine, among dozens others. Aside from the filter set itself, you do have a storage tank and an all-metal faucet made out of nickel. The filter has CTO carbon and GAC granular activated carbon. They also have a mineral alkaline filter, post carbon filter and an RO membrane.

Unlike the 5-stage units, this one also adds an alkaline remineralization filter. This helps you recover the healthy, essential minerals. As a result, you get to feel the real water taste, while also getting an alkalinity balance that’s very important. This is a great purchase if you want a water filtration system that’s fast, dependable and which gets the job done very well. Plus, you do have high quality videos you can watch to see how to install. The product quality is extraordinary, so this is well worth your time and money!


2. APEC Water Systems RO-90 Ultimate Series Reverse Osmosis Drinking Water Filter System – 5-Stage RO Water Filter

This is a reverse osmosis system that comes with the WQA gold seal certification. It has 5 water filtration stages that remove up to 99% of the contaminants, and it can tackle upwards of 1000 contaminants to begin with. It’s a great product if you want to deal with viruses, bacteria, arsenic, lead, fluoride, chlorine as well as heavy metals, among many others. We like this product because it gets the job done very well, it has a chrome faucet free of any led, as well as its own water storage tank and the filter set.

It’s important to note that each filter has its own benefits. The first one stops sediments, the next 2 are focused on blocking carbon, the 4th is its RO membrane, and the last filter is the coconut carbon filter. Each one of the filters is very reliable, it comes with a massive capacity and you don’t even have to change the filter often, which is exactly the thing you need to keep in mind. It’s also easy to install and you don’t have to worry about leaks either.


3. Home Master TMAFC-ERP Artesian Undersink Reverse Osmosis Water Filter System – 7-Stage RO Water Filter

This product is very impressive because it delivers a traditional style with its own pump. They have a 7-stage filtration system, which is also based on reverse osmosis. The design here is great, it works amazingly well especially with the RO systems. Thanks to the dedicated canister filter and its powerful design, you get disposable filters. As a whole, the product allows you to remove impurities up to 98%, which is a great feat.

One of the main advantages for this water filtration system is that it integrates essential minerals into the water. This means the water taste is significantly better here, and the magnesium and calcium can indeed make the water feel great when you taste. The added permeate, non-electric pump is very powerful and convenient, and the best part is that it delivers 50% more water while making sure you remove most water wastage (around 80% more, according to studies). These filters last for a very long time, although you still need to change them after the unit produced more than 2000 gallons. It’s still a great feat nonetheless.


4. Aquagear Water Filter Pitcher – 150 Gallons Water Filtration Capacity

Aquagear Water Filter Pitcher is a great US produced water filtration system. It’s a product focused on sustainability and it meets all the NSF standards when it comes to impurity removal. On top of that, the unit is made only with FDA-approved materials. One advantage brought here is the fact that it can deliver up to 150 gallons of clean, fresh water. In addition, it has a very good lifespan, not to mention it removes water contaminants and toxins with great ease. It can work against copper, chlorine, fluoride, lead, chloramines and many others.

Its 5-stage filtration system works incredibly well, and it makes things a lot easier for you when it comes to removing impurities in an appropriate and professional manner. One of the smallest filters has 2-micron pores, so it can easily remove many impurities, which is very helpful. This particular product is also great if you want to remove the bad water smell that comes from some contaminants. Plus, the pitcher comes with lifetime warranty.


5. AquaBliss 10-Cup Water Filter Pitcher – 80 Gallons Water Filtration Capacity

With this Aquagear Water Filter Pitcher, you will have no problem filtrating your water and eliminating sediments, cadmium, copper, zinc and even chlorine or mercury. The product has a very low profile, appealing design, and it’s also very efficient, not to mention it doesn’t occupy a lot of space and it does remove bad odors naturally in a great manner.

It’s BPA-free, and you can get 10 cups of water at once. The filtration system is efficient, and you don’t even have to remove the lid. The water filtration capacity is very good, and you will notice that it filters up to 80 gallons. Either that, or it works for up to 4 months, depending on how often you use it. There is a 1-year warranty for the unit, and you get a money-back guarantee too.


6. Brita 10 Cup Water Pitcher – 40 Gallons Water Filtration Capacity

This is a great product for the entire family, it helps you generate 10 cups of filtered water for you and the entire family. You have a very clean design, and it’s made out of quality plastic. The thing to keep in mind is that it can be used inside most fridges, which is always a good thing to have.

Moreover, the unit will remove cadmium, copper, mercury, chlorine and many other different compounds. It also helps you boost the taste of your water, while removing odors naturally and with great results. On the pitcher you have an indicator that tells you when you need to replace filters. Ideally, you must replace the filter every 40 gallons or after 2 months, whichever comes faster. The lid is a flip-top model and it’s really easy to use and adapt to your needs. You also get a very good grip with this product, which is always very helpful.


7. Nakii Water Filter Pitcher

Nakii’s water filter is designed to be compact, very easy to use and adaptable to most requirements. Its pour spot is simple and you can refill the unit with ease. You have a great water capacity of 1.8 liters, not to mention you can purify around 1.3 liters in just a single minute. Their filter comes with activated carbon fiber that works great against rust, chlorine, suspended particles and mercury. It’s a great way for you to restore the water odor and color. Plus, the product itself lasts for a long time, and you just need to change the filter every 150 gallons.


Buyer’s Guide

When you want to buy a good water filtration system, the main focus is to identify your needs and what type of water quality you want. There are other important aspects to consider, based on the product.

Filtration Stages

Ideally, you want to have a unit that has multiple filtration stages. The more it filters the water, the better the results you get. Faucet filtration systems have 3 stages usually, whereas the RO water purification systems can have 5-7 or more stages.


RO filters or larger units can hold up to 1000-3000 gallons, some even more than that. If you go with a water filter pitcher, then that one will have 100 to 200 gallons. So there’s quite the difference, you just need to figure out what system works for you and what capacity you need.

Flow rate

Is the water filtration system delivering a good flow rate? The faucet mounted filters have a good flow rate, same with the countertop water filters. Then you have the under-sink water filters which are very good, as well as the water filter pitchers. It all comes down to finding the right type of water filtration system that suits your needs and requirements.

Reverse Osmosis Filter or under-sink systems

Such solutions are great if you want to eliminate water contaminants naturally. If your tap water is known for not having the best condition, then these are a suitable option. With their help you can enhance the color, maintain magnesium and calcium, while also eliminating smells and improving the water taste. Granted, this is a costly investment, but well worth it.

Carbon-Based Water Filter Pitcher

You want to go with such a product because it’s easy to store inside the fridge. On top of that, you will find it easy to refill it, not to mention you can have it on the countertop if you want. The downside here is that you must replace the filters every 2 months or so. However, the multi-stage filters are very dependable and reliable, so it’s a great investment.

Countertop Filters

Such a filter helps you save a lot of space. You can retain minerals like potassium, magnesium or calcium inside the water. Plus, you can have multiple filtering stages, and that means you can easily process a lot of water. They are also portable, which is always a good thing to have.

Faucet-Mounted Filters

Why should you add a water filtration system to your faucet? This is a great idea because it automatically removes heavy metals and chlorine from your drinking water. The issue is that not all faucets are compatible, and the water flow is slowing down. You also want to check the installation complexity, as some of these things can be very hard to install.

When you choose a water filter pitcher, you want to see the filtration power, filter lifespan and construction material. If it can be refilled with ease, that’s always a bonus too. In case you go with the countertop units, you want to be certain that you can switch between filtered and regular water. The lifespan is just as important. Faucet-mounted filters need to be compatible with the faucet type, just to be safe.

Whole House Filters

In case you have a large home or multiple families living in, it doesn’t make sense to have separate water filters. A whole house water filter is better, more efficient and it can purify thousands of gallons. You will have a complete filtration system that removes impurities and keeps all the water clean for everyone.

Backpacking and Outdoor Filters

If you like hiking and traveling, then you do want a portable filter. The backpacking water purifiers are a great option because they are reliable, and they do get the job done. You can acquire outdoor water from a lake or river, and you can purify it with help from these filters. It’s inexpensive and it gets the job done very well.


As you can see, finding the best water filtration system is not that complicated. You just need to know what you are looking for, what features you must focus on and the overall value for money. In the end, you will have no problem finding a great and affordable water filtration system if you stick to these simple tips and tricks listed above!

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