8 Best Portable Water Filters – Drink Safely Anywhere!

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Last updatedLast updated: August 10, 2021
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Isn’t portable water a concern to everyone? Clean water is essential for anyone who fancies hiking or camping. Unfortunately, every once in your backpack counts, and therefore, you can’t carry much of it at go. How will you survive through the trip with inadequate clean water?

That is why you need to get yourself the best portable water filter. It is a device that will purify natural water and do away with all pathogens and other harmful chemicals in the water rendering it safe for your consumption. This guide reviews the best portable water filters considering essential factors, including the type, capacity, weight, and size, since they are essential considerations when buying one. Keep reading to know how to get yourself the best water filter in the market.

Top 8 Portable Water Filters Review 2021

  • Type: system
  • Capacity: not specified
  • Weight: 2 oz
  • Size: not specified

More features: high performance; ideal for outdoors; has a drinking pouch

If you are looking for superior filtration wrapped with great versatility, then Sawyer Products MINI Water Filtration System has got your back. It is a versatile, lightweight water filtration system compact, which makes it highly ideal during your camping with your family, friends, or traveling abroad in places where you can easily trust the tap water. It is the best water filter for camping.

The package comes with mini attaches, including a drinking pouch, quality through disposable water drinking bottles, and hydration packs. You can also opt to drink directly from the water source since it includes a drinking straw.

The ultra-light nature makes it ideal for the package as it fits in your palm and only weighs two ounces; therefore, it is suitable for your backpacking, camping, and when you need to prepare for an emergency.

Importantly, you can be sure to have clean drinking water from various sources, including rivers, lakes, faucets, and streams, since it works perfectly well in cleaning it. Notably, it is much easier to start water filtration.

What do we love it for? Most of the Sawyers, lightest nature yet most versatile to suit your needs wherever you are and give you seamlessly clean water.

What were we disappointed with? It is tiresome sucking water through this little tube when you are thirsty. It would be better if it has a squeeze instead.


Outback Plus Gravity Water FilterPremium Pick

  • Type: gravity system
  • Capacity: 6-12 gal per day
  • Weight: 6 lbs.
  • Size: 12 x 12 x 24 inches

More features: perfect for survival; used by disaster relief organizations

If you are looking for a simple yet highly performing water filter, Outback Plus is one of a kind. It uses gravity to filter the water and is capable of filtering water from virtually all freshwater sources. You will not need to do any plumbing or ant tools or electricity to do the work. It is the best portable gravity water filter.

The filter is rugged to enhance its durability. It is designed for disaster preparedness and can help you in your survival with your daily water requirements. When you visit undeveloped areas, the filter will also serve the purpose of cleaning water. It can quickly purify water for your family.

It is an effective filter. It incorporates four filtration stages to ensure effective removal of 99 percent of the bacteria, cysts, viruses, organic contaminants, pesticides, herbicide, and other water contaminants.

It is a high capacity filter that produces 6-12 gallons of water every day and can filter up to 1800 gallons of water before the filter needs replacement. Outback plus filter is simple to operate. You only need to put the water you need to filter in the upper chamber through the pre-filter net and wait for the water to get down to the lower chambers. Notably, the device is easy to assemble and start using.

What makes it stand out? We liked its high capacity as it filters up to 1800 gallons of water before you need to replace the filter.

Which disadvantages must you keep in mind? If the slow rate of filtration could be improved, it could be better

  • Type: straw
  • Capacity: up to 1,000 gal
  • Weight: 0.06 kg
  • Size: not specified

More features: award-winning; removes minimum 99.9999% of waterborne bacteria; comes in a sealed bag; long lifespan

Yet another superior filter that boasts as the award-winning LifeStraw water filter that you will find great companion during your hikes, camping, travels, as well as emergencies. You will find it essential for disaster preparedness. It can filter up to 1000 gallons of uncontaminated water without iodine or making use of any chemical. It is capable of removing almost 100 percent of water impurities, including protozoa. It meets the minimum requirements for filters by EPA filter standards.

It is a useful alternative that replaces the filters that use iodine tablets and other bulky purifiers, noting that it weighs only 2oz, making it very light hence increasing its portability. It comes with a sealed bag, which makes it perfect for storing it when not in use.

LifeStraw filter is made of fiber membranes. The fibers have small pores that allow only tiny microns to pass through. The dirty water gets in through one side of the filter, and the impurities are filtered as water passe through since they are more significant than the pores, and hence only clean water passes.

What stands out? What we liked most is that LifeStraw personal water filter doesn’t expire, and its small footprint makes a great fit in most emergency cases.

What cons did we manage to find? Life straw is a fantastic filter that t is too hard to use. If it could be easy to get meaningful amounts with much ease, it could be better.

  • Type: bottle
  • Capacity: 26 oz
  • Weight: 9.6 oz
  • Size: 3.23 x 3.23 x 10.83 inches

More features: BPA-free; built-in carrying loop; easy to open lid; dishwasher safe; reduces chlorine

If you are looking for BPA free filter, Britt Premium Filtering is one of that kind. It can hold 26oz of water and is designed with a filter that fits inside the straw to give a great taste to your water, which makes it the best portable water filter bottle. It gives excellent tasting water with the least waste. Once you decide to use Brita, you will save on money since it replaces 1800 single-use plastic water bottles every year.

It is a convenient way to ensure adequate water for your usage while at home or on a journey. It is sleek, leak-proof, and has a car cup holder making it user-friendly. It also features a built-in carrying loop that makes it easy to open the lid, and it is dishwasher safe for easy cleaning.

The filter reduces the amount of chlorine to give a great taste to every sip. It is compatible with the Brita water bottle replacement filters. If you are looking for fresh-tasting water, the Brita water bottle filter will need to be changed after filtering 40gallons of water. It is easy to open. Just flip open the lid to hydrate wherever you are.

Why is it special? It is a BPA free premium filtering bottle that filters and gives excellent tasting water.

What are the flaws? The lid, when closed, doesn’t seal the mouthpiece well enough to prevent the stream of water from pouring from the bottom of the straw when refiling it. If it could be improved, it could be better.


Survivor Filter PROBest Filtration

  • Type: pump filter
  • Capacity: 500 ml per min; 26,417 gallons in general
  • Weight: 8.16 oz
  • Size: 3.15 x 1.97 x 6.5 inches

More features: virus and heavy metal tested; independently tested; triple filtration; ABS material; lifetime warranty

Meet another filter dedicated to removing viruses and metal, among other impurities in your water, to give quality drinking water. It boats as the of the independently tested filtration system in the market. It has been tested in the USA labs, and it proves to remove almost 100 percent of the impurities. Including protozoa, parasites, mercury, and mercury.

The triple filtration enhances the removal of viruses, parasites, and bacteria while reducing the content of heavy metals, chemicals, and bad taste. Equipped with a dual hollow fiber membrane and a carbon filtration, it is two times more efficient, particularly for removing heavy metals.

Besides, the filter has a super-fast flow rate for the water at 500ml per minute. You can use it to filter water from freshwater sources directly or pumping it to the attached cup, or pumped into any hydration pack. It is suitable for filtering water for use by the whole family. It is made of quality materials to enhance its durability. Also, it is BPA free equipment and comes with a detailed manual on how to make the best use of it.

What do we love it for? The filter can be easily cleaned and re-used. You only need to clean it after every trip and store it for future use.

What were we disappointed with? The handle snaps off after a few uses. If it could be improved, it could be better.


Katadyn Vario Water FilterBest Pump Filter

  • Type: pump filter
  • Capacity: up to 530 gal
  • Weight: 15 oz
  • Size: 16 x 12 x 4 inches

More features: microfilter; dual pumping modes; removes particles; glass fiber filter; great for backpacking

It is an outstanding product that will offer you clean water conveniently. It has been a savior to many groups, including militaries, various health organizations, and outdoor activities in the entire globe conveniently. It is a system that offers you high-quality water and lasts long, giving a great performance. It is a system for any of your needs with water that you need for your home usage, including camping, traveling, sailing, or paddling.

It is equipped with a system that provides maximum output with much ease. It is a device that gives efficiency in the most straightforward handling. The device boasts a high-performance glass, which you can easily adjust depending on the water’s cloudiness. It also has active charcoal for removing the bad smell. The cleanable ceramic disc lengthens the life of the microfilter. It also has a 0.2-micron high surface area pleated glass fiber, which works perfectly in removing impurities in water.

The replaceable carbon is useful in removing the various contaminants in the water. Notably, the replacement cartridge filters give up to 300 gallons of clean drinking water before it needs to be replaced. The removable filter helps to extend the cartridge life.

What makes it stand out? It is made of the highest quality construction, which makes it suitable to last long while still in use.

Which disadvantages must you keep in mind? The O-rings seal fails. If it could be improved, it could be better.


Waterdrop Water Filter StrawEasy to Carry

  • Type: straw
  • Capacity: up to 100,000 gal
  • Weight: 1.01 lb.
  • Size: 13.77 x 6.88 x 2.71 inches

More features: pack of three; versatile; high-grade coconut shell activated carbon fiber; super-wash design

If you need a filter made of premium materials and effectively removes 99percent of the harmful substances in water. High-grade coconut shell activated carbon filter fiber improves the taste and removes the order to ensure delivery of quality drinking water.

Besides, it has versatile uses. You can use it with water bags to connect water bottles to filter water for drinking. You can disable either of the ends and connect it to the water bags and bottles to get drinking water whenever you need it. It is a tool that will serve your outdoor needs when you want to go for hikes, camping if for getting water for your home use.

It boasts superior innovation to give high-quality water. It eliminates the cumbersome fittings, and it saves space to bring you pure water conveniently at your comfort.

The small frame and bigger capacity make it a useful tool. The waterdrop filter straw can provide up to 100000 gallons of water that are safe for drinking. It absorbs water that can quench your water instantly.

What are our favorite features? The adoption of coconut shell activated carbon fiber drinking experience, which improves the taste and is what we liked most.

What could be better? If the white clean water pouch could connect to the filter, it could be significant.


Ninuo Mini Water FilterBest Value

  • Type: straw
  • Capacity: up to 1,000 gal
  • Weight: 0.13 kg
  • Size: 10 x 5.7 x 2.1 inches

More features: upgraded design; improves water taste; micron filtration technology; equipped with a hook

If you fancy outdoor adventures, then the Ninuo Mini Water filter is a must-have to give clean water and also help you with emergency preparedness. With it, you can be sure to have crystal clean water during your hiking if camping. You can easily remove dirt and impurities that could otherwise put your health at risk to keep you refreshed with pure water anytime without the need to use purification tablets. It is an upgraded water filter that can filter up large volumes o water, and it doesn’t use chemicals.

You can enjoy clean water for long as it removes impurities as tiny as 0.1 microns and can remove virtually 100percent of the harmful substances found in water. Once you have with you, you can be sure to enjoy pure water for longer and have certainty that your health isn’t at stake.

Let Ninuo mini water filter relive the worst aspect in life- being stranded in the middle of nowhere without water to drink when you so direly need it. This portable water filtration system will ensure that you and your companion during the camping time have access to adequate clean water.

Why is it special? It can filter large quantities of water without using chemicals.

What are the flaws? If the caps could be made to fit the ends properly, it could be better.

Things to Consider

Finding the best portable water filter in the market is can dramatically change your hiking and camping experiences. To start with, when you have it, you will not need to carry large quantities of water with you. You can easily clean the water at the point when you need it. Also, you can lower the cost of your travel. You needn’t buy water at exorbitant prices when you can clean what you come across your way and make it suitable for your use. Importantly, the majority of the filters in the market can make water from various sources drinkable.

Why do you need a portable water filter?

8 Best Portable Water Filters - Drink Safely Anywhere!No worry about your location; whether in an urban setting exploring, in the wilderness for a hike, or camping, you can have access to clean drinkable water since good health is a priority. Some things in water can be harmful, but you can quickly quench your thirst so long you have a portable water filter with you.

Features to consider before you buy a portable water filter

Drinking clean water remains a top priority, irrespective of your location. Whether you are out for camping or a hike, access to clean water is essential to guarantee you good health. Portable water filters give you an easy solution to the problem of unclean drinking water.

The models vary and are compact enough to fit in your backpack, and they are efficient enough to offer the clean water you need.
Unfortunately, getting the right portable water filter from the vast saturated market can be a daunting task since there are varieties of models in the market. It would be difficult to distinguish which model would work better than the other models. In the following part, we discuss essential factors to look at, including weight, size, filtration, usage, type, capacity, and size, to help you decide the best filter for you.


8 Best Portable Water Filters - Drink Safely Anywhere!There are various types of portable water filters in types market, including straw filters, which are the lightest portable filtration filters available. Pump filters are not very small, although they can comfortably fit your backpack and occupy only a small space. There are also bottle filters, which are essential even when you don’t have to filter water since you can remove the filtration cartridge and use it with the regular drinking bottle, which is clean. Gravity filters are useful for camper and emergency use since they don’t need electricity or a constant water flow. Outback Plus Gravity Water Filter is a gravity system filter that does not need power to get your water clean. It is a perfect model for those who like traveling to areas where access to clean water is hard.

The UV filters – even though the campers and hikers don’t use them frequently, some of the models are great although they run on batteries, which would attract higher costs. Still, they perform perfectly in the removal of parasites and bacteria. Even though they give the same results, each works in its way.


The filters in the market are for different sizes. Therefore, they hold different amounts of water, and they filtrate the volume by working it through the filters until it reaches your mouth. The filter capacity is essential in influencing the viability of the item. LifeStraw Personal Water Filter has a capacity of up to 1000 gallons per day.


8 Best Portable Water Filters - Drink Safely Anywhere!The portable water filters will remove the impurities in water, although at varying rates. Some can give several ounces of clean water every minute while others can give less amount for the same amount of time. Survivor Filter PRO boasts triple filtration to give pure water.

You would need to look for a unit that can filter water quickly since that would save you some time, especially if you are in a large group.


Whether you are looking for a pressure switch filter, UV light, or straw filters, accessories are a vital part to consider. Some accessories include filter strainers, filter heads, float valves, power cords, mounting clips, and labels. Brita Hard-sided Premium Filtering Water Bottle has a built-in carrying clip to enable you to carry it easily.


Even though most portable water filters are compact and small, it does not mean they are easy to use. Some of the models have complicated usage instructions, and you might need to carry the instructions with you when you travel to make sure the setup is correct. Brita Hard Sided Premium Filtering Water Bottle is easy to use with a lid that is easy to open. On the other hand, some models are easy to use; others are hard to use and draw water through them and drink using a straw; therefore, ease of use remains an essential factor.


Water volume and the physical size as the factors that determine how easy it can be to use and how effective it is going to be as you work with it. Waterdrop Water Filter Straw measures 13.77 x 6.88 x 2.71, making it ideal for outdoor enthusiasts; you don’t need a bulky water bottle.


It is of no essence buying a portable water filter that will not be comfortable to carry around during your travel. LifeStraw Personal Water Filter weighs 0.06kg, making it highly portable. Therefore, the weight of the filter is a vital factor when you want to buy it. Even though most filters are compact and portable, the weight depends on the design, the filtering technology, and the construction materials.


One of the ways to tell if your filter needs replacement is by looking at the flow rate. If it drops significantly, that is an indicator that the filters are clogged. The housing has loads of impurities, which prevents the water from sipping through with ease. Besides, you can make some judgment calls. If you can monitor how many gallons it is supposed to give and keep the records of its productivity, you can tell when it is time for a new one. It would be best to replace the filter within 10% of its expected end of life to be on the safe side.

The main idea behind using water filters is to get clean water by removing chemical contaminants and microbial contaminants. However, after using it for some time, some microbe build-up, how will you tell it is still functioning well? You can give your filter a diagnostic test. Here, you have to use all your senses to get the results. To start with, pour water in a glass and sniff it since water starts to smell when there is some bacteria growth. Take a sip of the water; the flavors aren’t appetizing, then the filters are faulty. If your filter goes through the above tests, know that the filter still works well.

Our Verdict

Portable water filters can be easy to find, but only if you know what to look for in the market. You can easily install the models capable of transforming water from virtually all sources to clean portable water. From our review on the best portable water filters, our editor’s choice is Sawyer Products Mini Water Filtration System since it offers high performance, has a drinking pouch, and is much ideal for your outdoor activities. The premium pick is Outback Plus Gravity Water Filter since it has a high performance, which makes it ideal for survival and emergencies, and the best value is Ninuo Mini Water Filter as it is equipped with an upgraded design which improves the quality of water taste since it uses micron technology. It is also equipped with a hook.

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