Best UV Water Filters in 2021 – Reviews & Ultimate Guide

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Are you suffering health-issues for your poor water supply? We think you should now find out the best UV water filter, which is long-lasting yet powerful. It can destroy 99.99% of germs from any water source. To keep your family healthy and safe you need just to choose the perfect UV water filter system.

You may don’t know that a bunch of pollutants and contaminants can be found on municipal water supply. Good smell and clear look of a glass of water don’t ensure that the water will not make you sick.

Environmental pollution is always occurring around us. Day by day it is getting unstoppable. Every day we are inhaling toxic air in our lungs. We can’t purify the air. But we can clarify the water we are using every single day by an Ultraviolet water filter.

However, for purchasing a whole house UV water filter now you don’t have to run here and there. We have made a list of 8 best UV water filters. Go through the article and grab your favorite one.

Top Rated UV Water Filters 2021 – Comparison






HQUA-OWS-12 40W Ultraviolet Water Purifier Sterilizer Filter

HQUA-OWS-12 40W Ultraviolet Water Purifier


12 GPM

Bluonics Ultraviolet Light UV Water Sterilizer Purification

Bluonics UV Water Sterilizer


12 GPM

HQUA-OWS-6 UV Water Purifier 

HQUA-OWS-6 UV Water Purifier 



HQUA-TWS-12 UV 12G PM Water Purifier

HQUA-TWS-12 UV 12G PM Water Purifier


12 GPM

HQUA-OWS-124 UV Water Purifier

HQUA-OWS-124 UV Water Purifier


12 GPM

8 Best UV Water Filter Reviews with Guide

The UV water filters are only covered by a small portion of the electromagnetic spectrum. And UV rays are strong enough to destroy microbes. Besides that, it is used in different medical practices. Sometimes UV purifiers applied in commercial disinfection systems.

So, UV filters for water should be in your home. Check out the list below and then jump into each product description.

1. HQUA-OWS-12 40W Ultraviolet Water Filter

HQUA-OWS-12 40W Model Ultraviolet Water Purifier Sterilizer Filter
Chemical Free 
Easy installation
Safety and Reliable

HQUA UV Purifier is our editor choice for its sturdy building quality, design, and awesome support from the company. 

Well, let’s move to the features of this water purifier to know why it is on the top position of the best UV water filter list. 

This UV purification system uses an ultraviolet lamp, which is 55 Watt. For an entire household, it can provide around 12 gallons of water per minute. Isn’t it a huge amount? I use this filter and my family (7 members) don’t face any lack of clear water till now. 

It features a 2.5-inch diameter reactor chamber. 304 stainless steel and Quartz sleeves have been used to make this chamber. Thus it can transmit 90% of the UV light to kill all the germs from your water source. 

The stainless steel and quartz glass is durable enough in different temperatures, pH levels, and even pressures can’t do any damage. The materials of this UV filter will not contact water.

You don’t need an expert to install it, the whole installation process is so smooth. Besides, the maintenance of this UV light water system doesn’t require a chemical supplement. 

You should replace the lamp once in a year where the quartz sleeve needs to be cleaned once or twice in a year. If you face any problem with the setting, cleaning, or other things, you will get excellent customer services without any doubt. 

  • Easy maintenance
  • Strong building quality
  • 55 Watt ultraviolet lamp
  • Amazing after-selling support
  • Reactor chamber includes 304 stainless steel and Quartz sleeves
  • Quartz sleeve need clean every 6-12 months

Question 1: Does it work alone? Or does it need another filter to work well?

Answer: It works alone. The UV unit is the last step of the water purification system. This purifier only works in disinfection. Can not help in water PH/ Water softness/ Large particles.

Question 2: What about off-grid living power consumption?

Answer: It has a 40 -55 Watt bulb so your off-grid power source must contribute at least that much potential.

Question 3: What type of mounting bracket is needed in the HQUA UV Water purifier?

Answer: You will get two Integral plastic brackets in your package.

Question 4: Can I install it outdoors?

Answer: Well, that actually depends on your weather. If you want to protect it from freezing, it should be plugged in. Mostly it’s better to install it inside your house. So, it will be safe from any natural disaster.

2. Bluonics Ultraviolet Light UV Water Filter

Bluonics Ultraviolet Light UV Water Sterilizer Purification
No chlorine
Long Lasting
Long Lasting

BLUONICS is an outstanding water purifier company that always tries to deliver a quality product to its beloved customers. Besides that, their support system is good enough to solve all your problems. Well, this UV purifier is one of them. 

This is a 55W 110V whole house water filter system that is sufficient to manage a large home or office water purification. Because the stainless steel has a large 12 GPM flow rate filtration.  

You can treat dangerous E.Coli, Algae, Bacteria, Microbes, and Viruses Fungi with this environment-friendly UV water filtration.

There is no chemical like chlorine. Moreover, no change of taste, color, and no odor at all. 

Sometimes, people get feared for acidic or alkaline water levels changes. But in this UV water filter, you will not find any one of them and also no impact on pH. 

After buying this product, you will get some additional equipment like- Quartz Sleeves, no plumber needed, Mounting Clamps, UV Bulbs, and Ballasts. Each of them will help you in the long run. The company will give you 2 FREE replacement bulbs and they last for over 1 year. 

Apart from all of this, you will get a 30-day money-back guarantee if you are not satisfied with the purifier. Plus, Bluonics will always give lifetime tech support to you. 

  • No chlorine
  • Chemical-free
  • No impact on water pH level
  • 2 extra free replacement UV bulbs
  • Useful for both residential and commercial area
  • Need to change the bulb within 1 year

Question 1: What is the approximate weight and size of the unit?

Answer: The whole package is 9 lbs and the size is 40 “x 8″ x 8”.

Question: Where can I get the replacement bulbs?

Answer: Well, after buying the water purifier you will get 2 free replacement bulbs. If you are then out of it, you can get it on Amazon.

Question 3: How will I know when my bulb is out?

Answer: When the bulb is not working, the ballast will turn GREEN to RED. So, it’s very easy to find out.

3. Bluonics 110W UV Filter

Bluonics 110W UV + Sediment & Carbon UV Filter
Chlorine Free
Ensure Good Taste
Complete Water Filtration 

Are you searching for a renowned water filter for your entire house? Then the Bluonics 110W UV Well Water filter can be a great recommendation for you. The outstanding qualifications have made it extraordinary from all other purifiers. 

This purifier manufacturer with its all ports in 1inch NPT inlet/ outlets and it completes the well water filtration system with quartz sleeves, ballast, UV bulb, and a standard size sizeable Blue filter. Besides that, a big screen will help high flow applications. 

If you want to be safe then treat harmful bacteria, Viruses, Fungi, E. Coli, algae, and various contaminants with this UV water filter. It is a safe solution to prohibit chlorine resistant contaminants such as Cryptosporidium, Giardia, which occurs thousands of diseases each year.

Moreover, it is one of the incredible water filters which purify the water through various stages. And you must know, this filter removes chlorine, odor, bad taste, organic solvent, and various cancer-linked elements like pesticides, insecticides, herbicides, Benzene, etc.

  • 24 GMP flow rate
  • Destroys all possible harmful elements
  • Great combination of filter and sanitizers
  • Keep safe from cancer linked contaminant
  • No installation instructions

Question 1: When the filters need changing?

Answer: It depends on your using style and water quality. Usually, try to change the filters once in a year.

Question 2: What equipment is used in sterilization?

Answer: 5-micron sediment filter, 5-Micron Carbon block filter, Powerful 110W 24 GMP Ultraviolet Light Sterilizer. All of them made it incredible together. 

Question 3: How is the combo of filter and sanitizer?

Answer: It is fantastic. Most of the UV water purifier is either filter or sanitizer but this one is a perfect combo of both of them. I hope you will have a great experience with this water purifier system. 

4. HQUA-OWS-6 UV Water Filter 

HQUA-OWS-6 UV Water Purifier
Chemical Free
Easy Installation
Ensure Water Taste

HQUA-OWS-6 UV water purifier is the name of a top water purifier in the present world. This purifier developed with sterilizer for the whole house, 6 GMP 110V model, 1 Extra UV bulb to provide you pure, safe water.

The UV water filter designed with 25PM UV unit, 22*2/5 in a stainless steel chamber, one or 2inch MNPT outlet/inlet. It will save your money as you don’t need to hire any plumber to install it. You may ask me “why?” Well, due to its metal connectors, you can set up at home with so ease.

Plus, this purifier recommends 304 stainless steel and quartz glass, which can be reliable in different temperatures, pH, and pressure. These are the only materials to contact with your water.

We enlisted it in our best UV water filter for it’s no chemical action while purifying water. Moreover, it doesn’t change the color, taste, odor, and pH of water. Undoubtedly, they are impressive qualifications for an outstanding UV light water filter system. And, the purification process is made with an environmentally friendly method.

  • Safe sterilization method
  • Double replacement facility
  • Contain UV reactor chamber
  • A booklet with a detailed description
  • Hot water can be boiling in the chamber

Question 1: What is the installation method?

Answer: This UV water purifier is easy to maintain and install. There is no need for any equipment to install. Have a metal connector to install horizontally.

Question 2: What is the working process of UV sterilizer?

Answer: The ultraviolet sterilization process is speedy. Through this process, water is purifying without adding any chemicals like Chlorine.

Question 3: What is the main component of this water filter?

Answer: UV reactor chamber, Quartz sleeve, UV lamp, Electronic ballast, etc.

5. HQUA-TWS-12 UV Water Filter

HQUA-TWS-12 UV 12G PM Water Purifier
No Change in Taste
Disinfect 99.99% Bacteria
Integrate into the Pipe System

Here is another Ultraviolet water purifier from HQUA. And, I must say it is different from other water filters for its fantastic combination of purifier and sanitizer with 12GMP 120V, one new Quartz Sleeve. It contains MNPT inlet/ outlet: 3inch/4inch DN20. 

This UV purifier is newly designed with smaller in size, integrated into the pipe system, and accessible to fixation. There is no secondary pollution in the filter. It keeps the odor, taste, and conductivity the same as general water chemistry deprived of chemical use.

With its helpful manual booklet, you can learn the maintenance process, installation method, and troubleshooting which are easy to finish. It can disinfect around 99.99% viruses and bacteria.

  • Flow direction not required
  • It is a good combo for the whole house
  • Reduces 99.99% of bacteria and microbes
  • Easy to detect the system with red and green light
  • Smaller in size

Question 1: How Electronic ballast work?

Answer: Electronic Ballast connect the power and the UV lamp. It mainly works as a controller in the system with a 3 ft power cord. When the red light blinks, it means the system fails. The green light means everything is OK.

Question 2: How effective is sterilization?

Answer: HQUA Sterilizer ensures the reduction of 99% bacteria and harmful microorganisms. Sterilizers are sufficient to destroy robust microbes and bacteria.

Question 3: What is the maximum temperature needed for work?

Answer: Maximum 50 degrees to minimum 0 degrees.

6. Ron Aqua UV Light Water Filter

Ron Aqua UV Light Water Purifier
Chemical Free
Ensure Water Taste
Economical & Effective

Ron Aqua is the Ultimate Boutique for the water filters. They have everything you need to supply your house with clean water. Whether you need to buy a whole house water system, Replacement Filter Cartridges, Countertop, or Under-counter Top Water Filters, they are your one-stop-shop.

This water filter comes with UV sterilizer 55W, 12 GMP with 2 Extra Bulbs. 

Indeed, it is one of the best UV water filters for its impressive home drinking water quality. This UV purifier is inventing the most advanced Ultra Violet technology. 

It also contains a UV water sterilizer system which is the most effective disinfestation solution for Bacteria, Viruses, E. Coli, Coliform, Salmonella to protect you from waterborne.

Ron aqua UV Light water filter manufactured with a UV lamp and quartz sleeve for destroying microbes. However, these parts may require replacement annually for an ultraviolet purification system for pure water in your house. A sturdy 12 GMP sanitizer is enough to sanitize your entire house water.

The UV water filter destroys 99% of microorganisms effectively without adding any harmful chemicals. Moreover, this purification process is eco-friendly. It can work continuously day and night, 24/7, and is able to produce absolutely safe water.

  • Able to work continuously
  • After purification it safe to drink
  • Saves electricity, less maintenance cost
  • Accessible to fixation for its compact design
  • Quite heavy

Question 1: What are the product dimensions and including parts?

Answer: 36*4*4 inches are the product dimensions. UV water filter includes a stainless steel reactor chamber, Quartz Sleeve, Mounting clips, UV lamp with two extra, and Ballast.

Question 2: What is the Ron aqua UV light water treatment?

Answer: In this water, treatment needs including a UV lamp installed in a disinfectant chamber. This system is robust, energy-efficient, and dependable.

Question 3: Is there any complication to operate?

Answer: No, the ultraviolet water filter system is easy to operate. This method requires little maintenance.

7. HQUA-OWS-124 UV Water Filter

HQUA-OWS-124 UV Water Purifier
Easy Installation
Safety & Reliable
No Change at Taste

The HQUA-OWS-124 is another purifier which is formed with exemplary features. There are multiple reasons to keep this on our best UV water filter list. I think you will also agree with me after knowing the manufacturing quality and durability. 

The purifier is built with 304 stainless steel and Quartz glass, which proves it is reliable in various pressure and temperatures. It comes with a 37.2*2.5 inch stainless-steel chamber.

The disinfection system of this water filter featured 12 GMP, 55W model ATO SDE-55-X. Besides that, it contains a fabulous 9000 hours life.

There are lots of purifiers in the market that change the color, taste, odor, and pH while purifying the water. But in this water filter, you will not get anything changed. 

You will not just buy a filter but also a chemical-free, healthier, environment-friendly, and reliable purifying method.

HQUA UV filter comes with an informative booklet for you, which helps get the best implementation from your water purifier. 

  • Contain 9000-hour life
  • Purity results are good
  • Premium manufactures
  • Safe and effortless to fixing
  • Provide excellent customer service
  • Water requires to be pretreated

Question 1: Is this filter useful for root out bacteria?

Answer: Yes, this filter is useful for root out bacteria. Because, germicidal irradiation, UV sterilization is used in UV water filters throughout the house. That kills over 99% of viruses and bacteria. 

Question 2: Why will I choose the HQUA UV water purifier for my house?

Answer: The first thing is, this water filter is affordable to purchase. It has impressive qualifications to filter water and finally, the purifying methods of UV water purifiers are environmentally safe. 

Question 3: How long does this filter last?

Answer: Naturally, an Ultraviolet lamp lasts for 12 months. After that time, the killing ability of viruses and bacteria diminish slowly.

8. Geekpure 12 GMP UV Water Filter

Geekpure Whole House 12 GMP UV Water Filter
Chemical Free
No Change in Taste
Produce Pure Water 

Geekpure whole house 12 GMP UV water filter is one of the best UV water filters for its amazing manufacturer functions, product dimensions, style, flow rate, size, etc. 

The purifier is manufactured with a 55w whole house 12 GMP UV water filtration unit for purifying and destroying bacteria. It will last 9000 hours min, 24/7, works night and day, and consistently keeps the water safe. Besides that, you will get one year’s warranty.

It comes with stainless steel 304 chambers with a 1.0inch MNTP outlet/inlet for delivering pure water from every tap.

If you search for a chemical-free purifier, this water filter will be the perfect option. It keeps the odor, taste, conductivity, and pH immutable.

Generally, you can fix it at the central water source and generate pure water for your whole house. These are highly disinfectant to kill 99.99% harmful Bacteria, Viruses, E. coli, Fungi, Various Microbes, and Protozoans.

  • No secondary pollution
  • Purify water for the entire house
  • Provide Pure water from every appliance
  • Can’t use the first, 2 gallons of water

Question 1: What products are in the box?

Answer: There are 3piece UV bulbs, 1 piece stainless steel 304 vessels, 3 piece quartz sleeve, 1 piece ballast, 3 pieces fixed clamp, and a user manual in the box.

Question 2: How long will this product last?

Answer: All these products can be used for at least 2years.

Question 3: Is there any chemical application to purify?

Answer: No, there is no chemical application to purify the water. It has environmentally safe and impressive features of filtering water.

Things You Need to Know to Choose Best UV Water Filter

Water Usage Amount

Before buying a UV water filter, you must know the amount of our daily water usage because it will help you to select the right sized purifier. 

GPM Flow Rates 

Checking GPM or Gallons per Minute flow rate of a UV purifier is essential for a water filter buyer. Each UV water filter has a GPM rate, so you can match with your demand.  

Installation and Space Demands 

The installation process of a UV purifier should be much easier for the customer. Most of them are not experts in installing a new water filter. Fortunately, we have picked those best UV water filters that are simply installable at home. So, you don’t have to call or hire any plumber to fix it. 

Lamp Dead Indication

You will find a lamp life indicator in each UV purifier system that tells when you should change the UV light. You will get more add ons in your water filter. It is better to change your light every year.

However, you will know how long the lamp will last. Make sure it is more than a minimum 1-year. Otherwise, you will feel harassed if you need to change it frequently. 


For non-stop UV filtered water, you should have a consistent amount of electricity. If you always suffer from electricity or voltage problems. Then it is wise to use activated carbon purifiers, which is an excellent alternative for you. 

Important FAQs of UV Water Filter

Q: Will I get the best after-sales service?

Ans: Yes, each of our UV water filters provides amazing after-sale service. If you buy any purifier beside our list, make sure the after-sale service is good.

Q: Is it wise to buy a water filter online? 

Ans: Yes, you can buy from Amazon without thinking twice. There are lots of reliable sellers out there. 

Q: Are UV water filters eco-friendly?

Ans: Yes, they are super environment-friendly. UV water purifiers are not just friendly with E.Coli, Algae, Bacteria, Microbes, and Viruses Fungi. 

Q: Do I need any services after installing my water filter?

Answer: You should call experts for replacing lamps or other crucial parts of your water filter. Otherwise, one wrong step can destroy the whole system.

Summing Up Best UV Water Filter

People now want to invest their money to keep their family members safe and healthy. Owning the best water treatment system can help the people to cope up in the increasingly polluted environment.

Everywhere the water is defiled and dirty. You can’t see the microbes with your eyes. So, it is better to sanitize your water with the best UV water filter. 

If you have any questions regarding water filtration or purifier, just leave a comment below. We will try to answer you in the meantime. 

Have a great day!

Important Water Accessories for your Home
Brittney Nelson


Brittney Nelson (Home Improvement Enthusiast)

I am just a person who loves life and loves adventure! I am a true DIYer at heart! I love to take a space and make it beautiful! I specialize in painted furniture and shabby chic home decor.

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