Best Water Filters Under $100: Affordable Water Filters

Drinking clean water is a human necessity and is essential for health. For this reason, water filters remove impurities and contaminants that are harmful to our health.

Sometimes, you live in an area where water is not suitable for cooking, our drinking. So, in that situation, a water filter is highly recommended.

These days, we have a lot of options when we go for a water filter. But if you are looking for the best water filter under $100, it’s not so easy at all, and it is not sure that you will get the best one.

But don’t worry, we have collected the 11 best water filters that come under $100. This collected data is based on our deep research. So, let’s jump right into it.

Our Recommendation

Top 11 Best Water Filters Under $100

Here is the list of 11 best water filters that comes under $100:

  • Waterdrop 15UA Under Sink Water Filter
  • Frizzlife Under Sink Water Filter System
  • Apex Countertop Drinking Water Filter
  • Aquaboon Whole House Well Water Filter
  • Brita Basic Faucet Water Filter System
  • LifeStraw Personal Water Filter
  • Sawyer Products MINI Water Filtration System
  • EveryDrop Refrigerator Water Filter
  • Camco 40043 TastePure Water Filter
  • Genuine RPWFE Refrigerator Water Filter

1. Waterdrop 15UA Under Sink Water FIlter

This waterdrop water filter is our top pick because it can make your tap water free from contaminants and harmful substances and keep your family healthy.

Each filter has a maximum service life of 24 months or 16,000 gallons when used with municipal water.

With the innovative multistage filtration, the waterdrop directly connects the Under Sink Water Filtration System, which effectively reduces chlorine, heavy metal, sediments, chemical impurities and other large particles.

This filter is made of specially selected premium materials that are lead-free, and these materials are NSF certified.
Having the Activated Carbon Block and other advanced filter media, this filter ensures you a safe and efficient filtration.

The fast and stable water supply provides pure and freshwater that tastes like spring water. With the easy installation, the whole process takes up to only 3 minutes.

This filter can be installed in the bathroom or kitchen, providing you with the best tasty, healthy and safe water suitable for cooking, drinking, tea and coffee, etc.

  • Ultra-long service life
  • NSF certified
  • Provides healthy water
  • Easy installation

  • Flow rate could be improved

2. Frizzlife Under Sink Water Filter System

This Frizzlife water filter comes with the 2-stage high precise compound filter, which uses a unique technology that removes 99% of the contaminants and harmful substances.

The fantastic feature of this filter is that it does not remove necessary minerals and improve the taste of water that keeps you hydrated.

However, it removes lead, heavy metals, chromium 6, volatile organic compounds, rust, carcinogens, mercury and other harmful substances. Moreover, this water filter is NSF certified.

With the best auto shut-off design, the filter cap has an auto shut off valve, so you don’t need to shut off the filter during the replacement or cleaning of the cartridge.

There is a core filter cartridge inside the housing, and so you will only have to replace the core rather than throwing out the whole housing.

It will save you much money on replacing the cartridge, and also it plays a vital role in environmental protection.
With the easy installation, you don’t need to spend more time. It generally took less than 3 minutes on the whole installation.

  • NSF certified
  • Removes 99% of contaminants
  • Money saving
  • Auto Shut off design

  • It is hard for some people to replace the filter

3. Apex Quality Countertop Drinking

The Apex countertop water filter effectively removes the contaminants and harmful substances found in the tap water and provides your family healthy, tasty, and safe water.

The advanced filter technology removes chlorine, sediments, mercury, harmful pesticides, radon, etc.
Moreover, this filter also removes Cryptosporidium, and Giardia cysts, which are the primary cause of water-borne illnesses.

It makes any type of water completely safe and healthy for your family because it follows the strict guidelines of the NSF and FDA. You can stop wasting money on small disposable bottles of water that just get thrown away after they’ve been used.

This filter is designed to conveniently sit in your kitchen and is very easy to install. After installing this filter, you and your family can get rid of bad smells and unhealthy water.

  • Environment friendly
  • Cost-effective
  • Reduces contaminants
  • NSF certified

  • Filter replacement is hard for some people.

Best Whole House Water Filters For City Water

4. Aquaboon Whole House Well Water Filter

This large capacity water filter is best for your whole house, providing healthy, safe, and tasty water to your family.
With the high flow rate, this filter fulfils the needs of your whole family and is designed to provide you ease and protection.

It is made of premium quality material which is very strong and resistant to chemicals as it is made of polypropylene. In addition, it is constructed with a black cap made of high-flow polypropylene (HFPP).

Due to its filter, it removes chlorine, dust, heavy materials, bad odor, and other harmful substances providing your family with high-quality safe water.

With the easy installation, it does not take you so much time. If you have a large family, then this filter is best for your whole family.

  • Large capacity
  • Removes contaminants
  • Easy installation
  • High flow rate

  • Little leakage.

5. Brita Basic Faucet Water Filter System

This great Brita attaches to your regular faucet and provides you with healthy, tasty and safe water, which you can use for cooking, drinking, or making tea or coffee.

With the capacity of 100 Gallons, this filter replaces the 1800 single-use water bottles. Moreover, this filter works without the wastage of water.

It offers three convenient spray options for everyday needs, i-e filtered water, unfiltered water, and unfiltered spray when attached directly to the faucet.

Its advanced filter technology removes 99% of lead, chlorine (taste and odor), benzene, asbestos, and other particles. Brita faucet water filter contains the useful status indicator, which lets you know when to replace the filter with an easy 1-click filter replacement.

To keep your water tasting great, replace your faucet mount water filter approximately every 100 gallons.

  • Reduces 99% of contaminants
  • Provides healthy water
  • Helpful status indicator
  • Does not waste the water

  • Not of high quality.

6. LifeStraw Personal Water Filter

This life straw water filter is best for hiking, camping and traveling. Its hollow membrane filter technology inside of the life straw keeps you safe during outdoor adventures.

This Lifestraw never expires and provides you with healthy water during any natural disaster or emergency. Additionally, this filter is rigorously tested.

This filter will transform 4000 liters (1000 Gallons) of contaminated water into clean, safe and healthy water. Its amount is more than a person drinks in a whole year.

With the microfiltration membrane, this filter removes 99.99% of waterborne bacteria and also removes waterborne parasites.

In addition to removing the smallest microplastics in the environment (down to 1 micron), it reduces turbidity to 0.2 microns. This filter is verified by standard testing protocols set by the US EPA, NSF, ASTM for water purifiers and is 100% BPA free.

Due to its smaller size, this filter is pretty easy to carry during traveling, camping, running, hiking or any other outdoor activities.

  • Removes 99.99% of parasites and bacteria
  • Easy to carry
  • Rigorous Testing
  • BPA free
  • Limited versatility

7. Sawyer Products MINI Water Filtration System

Sawyer mini is one of the most versatile and lightest filtration systems, which is conveniently compact. This is also best for outdoor activities, from hiking to travel.

Filtered water can be consumed directly from a water source with the included drinking pouch, disposable water bottles, and hydration packs attached to the filter.

The advanced filter technology removes 99.99% of bacteria, including salmonella, cholera, and E. coli. Moreover, it also removes 99.99% of protozoa, including giardia and cryptosporidium.

To start filtering water, fill the squeeze pouch with water from your water source, screw the filter onto the pouch, start drinking right from the filter, or squeeze into a water bottle to share with others.

The hollow fiber membranes of Sawyer are entirely enclosed and sealed to keep them protected. If fibers are not enclosed, they can be damaged physically, allowing pathogens to enter.

Clean water can be produced from freshwater lakes, rivers, and streams, as well as faucets in your home or hotel room, thanks to the reusable 0.1 absolute micron MINI water filter.

  • Lighter in weight
  • Easy drinking
  • High-performance
  • Removes 99.99% of bacteria and protozoa

  • Small storage

8. Camco 40043 TastePure Water Filter

Camco taste pure water filter reduces bad taste and odor of the water by removing chlorine and sediments with a 20-micron sediment filter.

Additionally, it has GAC (Granular Activated Carbon) filtration and KDF to prevent bacteria’s growth when the filter is not in use.

It also includes the hose protector that provides less strain on the connections while preventing kinks that could obstruct water flow.

Its advanced filtration technology also removes aluminium, heavy metals, cadmium, hydrogen sulphide, mercury, lead, iron, turbidity, etc.

With the easy and simple installation, no in-design assembly is required, and it saves your precious time.
A wide-body design featuring 20-micron fiber barriers allows it to flow faster.

  • Easy installation
  • Removes contaminants
  • Removes chlorine
  • Provides tasty and healthy water

  • Little leakage

9. EveryDrop Refrigerator Water Filter

With the EveryDrop refrigerator water filter, you can now stay healthy and drink safe water. This filter is approved and verified in removing the 28 contaminants, including lead, pesticide, and pharmaceuticals.

Triple filtering ensures that your ice and water are free from contaminants so that a variety of drinks and foods taste good.

This filter only removes those contaminants that are harmful to your health and does not remove the minerals necessary to your body.

With the NSF certification, you don’t need to worry about its filtration system. Its advanced technology removes harmful substances and also reduces the bad odor and smell.

Note: Your every drop Water Filter needs to be replaced every six months in order to deliver clean, fresh-tasting water

  • NSF certified
  • Removes 99.9% contaminants
  • Provides healthy and tasty water
  • Easy to install

  • Not worth the price.

10. Genuine RPWFE Refrigerator Water Filter

This refrigerator filter is tested and verified to filter five trace pharmaceuticals, including ibuprofen, progesterone, etc.

As lead is invisible, tasteless, and odorless and is quite hard to filter out but this filter also removes lead from your water.

Additionally, this water filter also removes fluoride and chlorine from your water, which is the main cause of your water’s bad odor and bad taste. So, by removing chlorine, this filter provides you with tasty water. Perfluorooctane sulfonate (PFOS) and Perfluorooctanoic acid (PFOA) can also be reduced by 99% with this product. Furthermore, it is 99% BPA free.

Changing the cartridge filters inside your refrigerator is a quick and easy process that requires no tools or turning off the water.

Note: Replace filter cartridges every six months or every 300 gallons of water filtered for best results.

  • Easy filter replacement
  • Removes lead
  • Reduce up to 99% of chlorine
  • BPA free

  • Little pricey

What To Consider Before Buying A Water Filter (Buying Guide)

water filter under $100

No matter all the above filters are best, but if you want to get a perfect one, then you should consider these factors:

Water Quality

This is the main factor and the main reason you are going to buy a water filter. Remember, the water quality must be your top preference before buying any water filter.

We recommend you to go with that water filter which provides good quality water. This means it provides tasty, healthy and safe water.


This is also one of the most important factors that must be considered before buying any water filter. If your water filter does not remove contaminants, then it’s just a showpiece.

Always go with that water filter that removes numerous contaminants, bacteria, sediments, heavy metals, other harmful substances, etc.

Water Pressure

The incoming water supply flow determines which filter you should get, and it must also be considered before buying any filter.

Always buy that water filter that has a high water pressure or high flow rate. The pressure required by a water purifier is generally 5-40 pounds per square inch (psi).

Quality And Design

Make sure to go with that water filter which is made of premium quality. That filter will last for a longer time and requires low maintenance.

Also, consider the design of the water filter which you are going to buy. Make sure that the filter does not waste water through the leakage.

Final Words

Water filters are one the most crucial thing in the home that ensures clean water. After going through the above list, you will know which water filter system is perfect for you. If you are on a budget, you can go for a water filter for under $100. 

Note: We make this list after deep research so you can buy any filter with full confidence. We appreciate it if you pick any item from our selection. 


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