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10 Best UV Water Filters And Their Reviews For 2021

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Tim Rhodes

Thanks to the recent development in UV LED technology, UV water filters can filter water efficiently.

They are among the best ways to purify your water.

Remember that clean water isn’t a luxury; it’s a fundamental necessity.

No one should drink water full of dangerous bacteria.

However, that’s the reality for hundreds of thousands of people around the world. 

When the UV light enters the microbial cell, it destroys its nucleic acids. 

Here is the list of top ten UV water filters that can be beneficial for your home.

1. Boeray Ultraviolet Light Water Purifier

Ultraviolet Light Water Purifier
This UV water sterilizer system includes a low-pressure UV lamp installed in a disinfection chamber.

As untreated water enters the chamber, the UV light destroys the pathogenic elements in the water.

UV light is a particular wavelength that can disrupt the DNA and RNA polymerase of micro-organisms.

This filter comes with food-grade SUS304 stainless steel along with 2pcs UV lamp and 1pcs quartz tube.

An extra UV lamp will make your life easier. 

This UV water filter has an electronic audible and visual alarm, and additional accessories for easy replacement.

It has a low flow of 0.5 GPM and UV lamp: 6W 110V with in/outlet port.

Also, it has a self – locking function, which prevents leakage. 

The filter doesn’t change the taste of water.

Yet, it removes the unpleasant odor but does not affect the conductivity or the chemistry of the water.

The filter is simple to install. 

A horizontal installation for the inlet/outlet is recommended.

The whole system is backed with the aid of a 1-year guarantee for the worry-free buying experience.

Specifications:

Voltage:110V/60Hz; Alarm: Audible and visual; Indicator: Lamp operation and failure.

Maximum operation pressure:8bar(116psi);Ambient water temperature:2-40℃ (36-104℉).

Iron<0.3ppm(0.3mg/L);Hardness<7gpg(120mg/L);Turbidity<1NTU;UV transmittance>75%.

LxWxH:10.23″ x 2.17″ x 2.17″ /260mm x 55mm x 55mm;

In/outlet port: Fast plug, better than thread, with self – locking function, anti-leakage.

Pros & Benefits:

  • Includes a low-pressure UV lamp
  • The system has a 1-year guarantee
  • Efficient water purification
  • The installation process is simple; no plumber needed
  • Made of food-grade SUS304 stainless steel


2. Microlyscs CrazyCap UV Water Purifier Cap and Insulated Self Cleaning Water Bottle 

UV Water Purifier Cap and Insulated Self Cleaning Water Bottle
This filer uses deep UV-C, which effectively gets rid of 99.9996% of mold, bacteria, and viruses from water.

Cap doubles as a sanitizer tour wand – virtually wave it over any surface to sterilize it.

UV-C is sterilization of the future.

CrazyCap’s powerful UV-C mild rays are of equal wavelength.

The filter can purify 500,000 water bottles, which reduces plastic waste and unnecessary spending of bottled water.

Premium bottle made of vacuum insulated stainless steel keeps water cold for 24 hrs or warm for 12.

It stops microorganisms and molds from breeding in your water bottle because the deep UV spectrum effectively sterilizes both the water and the bottle.

The filter has an automatic function that can turn on every 4 hours to maintain your water pristine.

Therefore, with high-tech, chemical-free purification, this awesome filter allows you to have drinkable water at your fingertips. 

It represents the best alternative to boiled water and water tablets.

This filter will prevent you from wasting your money on expensive bottled water.

It is a one-time investment that will serve you for years.

Pros & Benefits:

  • Perfect for everyday use and travel
  • Advanced 278nm-Deep, UV LED Light
  • Quick, easy, and effective
  • Eliminates 99.99% germs from the cap and bottle
  • BPA-free 


3. HQUA-OWS-6 Ultraviolet Water Purifier Sterilizer


This great UV water filter consists of a UV reactor chamber, UV lamp, and quartz sleeve, and electronic ballast.

The UV chamber is made of 304 stainless steel, used in the food industry and the production of medical equipment.

It is stable and durable.

The filter’s quartz sleeve holds the UV lamp and ensures high transmittance (90%) for the UV light.

Overall, this filter is excellent.

It provides environmentally-friendly safe sterilization.

This UV filters water by reducing 99.99% of bacteria and microbes.

Replace the UV lamp annually to ensure maximum disinfection.

Clean the quartz sleeve every 6-12 months and replace it every two years because of a  coating that the minerals in the water will form.

Therefore, as the coating reduces the amount of UV light reaching the water, you should monitor it, clean, or replace it if you cannot remove the coating.

Pros & Benefits:

  • The UV chamber is made of 304 chrome steel
  • UV lamp provides enough UV light to eliminate micro-organisms
  • Safe and reliable

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4. Reverse Osmosis Water Filter System with Ultraviolet UV Filter

Reverse Osmosis Water Filter System with Ultraviolet UV Filter
This filter with its advanced technology removes up to 99% of contaminants.

Additionally, it eliminates hard metals such as arsenic, chlorine, fluoride, lead, cadmium, and mercury.

Likewise, the filter eliminates the unpleasant odor of your water.

The system comes with prime quality fast connect fittings, color-coded tubes, and videos for straightforward DIY expertise.

To install it, you don’t need a plumber.

You can easily do it yourself with clear and well-organized directions.

The filter also comes with a 1-year manufacturer warranty.

Pros & Benefits:

  • This filter comprises an extra 6th stage-UV water filter
  • Produces ultra-clear and pure water
  • Made of premium quality elements 
  • It will last for at least 9000 hours


5. Geekpure 6 Watt Ultraviolet Water Filter (0.5-1 GPM)Geekpure 6 Watt Ultraviolet Water Filter (0.5-1 GPM)

This filter is a highly efficient UV water filter.

Also, it doesn’t release any chemicals into your water.

It doesn’t change in taste, odor, pH, conductivity, or the general chemistry of the water.

This filter with its advanced technology removes up to 99% of contaminants and hard metals such as arsenic, chlorine, fluoride, lead, cadmium, mercury, and others.

The water enters the UV filter through a 1/4 inch flexible line used on most under-sink systems.

You can even use it on your aquarium to kill algae!

Pros & Benefits:

  • This filter comprises an extra 6th stage-UV water filter
  • Produces ultra-clear and pure water to drink
  • Made of premium quality elements 
  • It serves a 0.0001 metric linear unit
  • It will last for 9000 hours at a minimum


6. SteriPen Classic 3 UV Water Purifier

SteriPen Classic 3 UV Water PurifierThis small powerful filter destroys over 99.9% of bacteria, viruses, and protozoa.

Therefore, it is perfect for travel and outdoor use.

This model has an improved battery life and a tapered neck that can fit into most water bottles and canteens.

Four AA alkaline batteries clean 50 liters while lithium batteries purify up to 150 liters, 1 liter in 90 seconds.

Fast safe effective and chemical-free, it doesn’t alter the taste of water or its properties.

The filter is simple and easy to use.

The device activates when you place the lamp in water.

All you have to do is stir until the light shuts off.

Pros & Benefits:

  • Produces ultra-clear and pure water
  • Made of premium quality elements 
  • Its battery life is up to 50 treatments per charge and 300 charge-discharge cycles


7. SteriPen Adventurer Opti UV Personal Water Purifier

SteriPen Adventurer Opti UVSteriPen is a compact UV water purifier, excellent for outdoor use.

You can take it when camping and hiking, making sure that this 1-button operation UV water filter will purify your water.

The LED light indicates when the filter is ready; place the pen-like lamp in the water and stir it until the indicator light turns green.

It is reusable for up to 8,000 liters.

Additionally, the best part is that it destroys over 99.9 percent of harmful microorganisms.

The filter is safe and effective.

Moreover, it doesn’t alter the taste, pH, or other properties of water.

The product comes with two disposable CR123 batteries and a case with a belt loop.

Pros & Benefits:

  • Produces ultra-clear and pure water to drink
  • Made of premium quality elements 
  • Travel-friendly
  • It can purify up to 8,000 liters


8. SteriPen Aqua UV Water Purifier

SteriPen Aqua UV Water Purifier
This filter removes over 99.9% of bacteria, viruses, and contaminants from water.

You can take it when camping and hiking, making sure that this 1-button operation UV water filter will purify your water.

Additionally, this model has an improved battery life and a tapered neck that can fit into most water bottles and canteens.

Four AA alkaline batteries clean 50 liters while lithium batteries purify up to 150 liters, 1 liter in 90 seconds.

Also, rechargeable NiMH batteries can purify up to 100 liters.

This UV filter is fast, safe, effective, and chemical-free!

It doesn’t alter the taste of water or its properties.

Simply press the on button, place it in the water, and stir it.

In as little as 48 seconds, your water is drinkable. 

Pros & Benefits:

  • The unit runs on 4 AA batteries
  • Produces ultra-clear and pure water to drink
  • Made of premium quality elements 


9. UV Whole House Water Sterilizer 

UV Whole House Water Sterilizer

Made of 304 stainless steel, this UV water filter allows the seamless installation of the system with excellent pressure capabilities.

Importantly, the system comes with aluminum mounting clamps, a glass tube, and a UV bulb.

The mounting clamps/brackets are made of strong and durable aluminum.

Therefore, they are lightweight and rust-resistant.

Electronic ballast has an audible and visual alarm in case of a malfunction.

The UV bulb is long-lasting and can work for around 9000 hours.

Also, to obtain perfectly purified water, you don’t need any chemicals.

This UV filters water without change of taste, pH, conductivity, or the general chemistry of the water.

Additionally, the system is fairly easy to install within a short time.

You don’t need any special plumbing or technical skills to mount it.

Importantly, you can install the unit both vertically and horizontally.

The unit works excellently even in wells over 700ft deep!

Customers love this UV water filter and are especially happy with helpful customer support and its swift response to any inquiry you might have.

Pros & Benefits:

  • The UV chamber is made of 304 chrome steel
  • Green light-weight on “work” approach
  • UV lamp provides enough UV light to destroy the DNA of micro-organisms
  • Safe and reliable


10. Express Water UV Reverse Osmosis Water Filtration System

Express Water UV Reverse Osmosis Water Filtration System

Last but not the least, on our list, is this fantastic UV reverse osmosis water filtration system. 

It can produce 100 gallons of pure water a day.

When you know that adults should consume between 0.5-1.55 gallons of water a day, you can easily realize why this UV water system is a perfect choice for the whole family!

Moreover, this powerful purification system eliminates dangerous E. Coli and other bacteria, viruses, and numerous microorganisms.

Alkaline filtration with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your water!

The quality of this unit is guaranteed; the manufacturer offers a 1-year warranty.

Importantly, the unit has a leak detection.

Each under sink water filter includes a leak stop detector that shuts off the water flow in cases of malfunction.

Pros & Benefits:

  • Includes low-pressure UV lamp
  • 1-year guarantee
  • Simple installation; no plumber needed
  • Made of food-grade SUS304 stainless steel
  • Excellent purification


How Do UV Water Filters Work?

The ultraviolet (UV) treatment process is a quick process.

Ultraviolet light mutates degrades the DNA of organisms, which become unable to function, becomes harmless, and dies.

Consequently, microorganisms cannot hurt you!

In the UV disinfection process, water runs through a stainless steel chamber or the so-called reactor.

A UV- producing lamp emits UV  light that is lethal for most microorganisms.

UV water filters come in various shapes and sizes.

You can install them in your houses, wells, or take them with you on road trips, hiking, or as simple insurance you always have access to clean water.

Final Thoughts

On our list are the best 10 UV water filters on the market.

UV filters water using advanced technology that doesn’t alter the taste of water or its properties.

On the contrary!

UV water purification systems do not use chemicals.

All they do is purify (sterilize) the water and make it safe for consumption.

Therefore, the best choice you can make is to buy a unit that uses UV lights to filter water.

If you have any questions or suggestions, please leave them in the comments section below.

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