Top 10 Best Survival Water Filters in 2021 – Reviews


The ability to get clean water, especially when outdoors can be challenging. Drinking water from springs and other sources can be the source of stomach problems. Carrying large water containers can be cumbersome and won’t last for days you will be out. The easiest way to solve the drinking water problem is to have survival water filters. They are suited for tuning dirty water safe for drinking without using chemicals.

Basically, the ability to clean water depends on filter quality. Apart from filtering dirt, the filters are efficient in eliminating germs and other water-borne disease-causing microorganisms. With filters available for personal use or group, they are efficient to carry compared to ready to drink water in containers. With portable water filters, they ensure your outdoor experience is fantastic.

Survival Water Filters Buying Guide

  • Style: The style of a filter is vital for the performance and comfort of use. Most of the portable ones are designed in straw type. Thus ensures there is high efficiency and no stress when filtering water. However, when carrying a large filter, pumping action is needed to accelerate the water filtering rate. 
  • Purification: The purification is vital when choosing a water filter for outdoor use. In most cases, some filters only remove visible dirt. But, it is crucial to check filters on whether they can provide full purification. Ensure your device of choice can filter microorganisms, particles as well as heavy metal. With this, there will be no need to carry iodine tablets.
  • Flow rate: The flow rate is another vital feature that buyers need to check. Depending on your water needs, different filters will offer varying performance. Due to this, it becomes essential to check a purifier with a fast filtering rate.
  • Accessories: ccessories are also essential in the performance of a filter. Usually, most of the filters accessories include extra filters, straws, and pouches, among others. However, the list of additional items different from one brand to another.

Best Survival Water Filters in 2021

10. WakiWaki Straw Filter Hiking Water Purifier

WakiWaki Straw Filter Hiking Water Purifier

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Wakiwaki straw filter is one of the reliable ways to enjoy excellent quality water. The filter offers clean water with up to 99.99 % impurities and germs. As a result, there are no chemicals needed to clean water when carrying this straw filter. Consequently, the water has excellent taste, and filter materials don’t produce awful taste or smell. With a combination of different filtering material, the device ensures different levels of water filtration.

Apart from the soil particles filtration, the straw removes terrible taste and smell. Therefore, it is a reliable way to purify and make water more palatable. With the ability to clean 264 gallons of water, the device helps to save the environment from plastic bottles. Additionally, it has a lifespan of 2 years, which ensures reliability always. The small design ensures the straw is simple to carry everywhere you move. Therefore, no additional space needed to keep this filter.


  • Extra-long lifespan
  • Smell and odor removal
  • Easy to carry and use


  • Not for large usage

9. FS-TFC Portable Mini Water Filter Straw Purifier

FS-TFC Portable Mini Water Filter Straw Purifier

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FS-TFC is an amazing portable water filter that every outdoor lover should have. It has no technicalities and delivers a fantastic performance. Whether hiking, camping, or other outdoor activities, the filter is exceptionally reliable. Also, during emergencies, the device is superbly reliable, which creates exceptional reliability and safe drinking water. Boasting triple filtration, the filter has efficient performance since there is great impurities removal. With a combination of sediment prefilters, 0.1 micron membrane filter and activated charcoal fibers, the filter us highly efficient.

Unlike the other filters, this has exceptional durability and performance. It can filter 1000 gallons of water efficiently. Tested by different organizations, the filter is one of the safest and efficient in water cleaning. Basically, the filter is free from chemicals and doesn’t need batteries, hence ideal for use in different situations. Apart from the safe cleaning materials. The strap purifier has a universal PET bottle, reusable pouch, and food-grade silicone straw.


  • Food grade straw
  • Chemicals free filtration
  • Long time reliability


  • Pretty hard to get water

8. LifeStraw Flex Advanced Water Filter with Gravity Bag

LifeStraw Flex Advanced Water Filter with Gravity Bag

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With the ability to enjoy clean water, it is easy to stay away from water-borne infections. Whether it is during emergencies, or outdoors, portable straws are amazing. The LifeStraw filter is one of the handy and easy to use devices to keep the water clean and tasting great. Unlike using chemicals, this gives fantastic tasting water hence superb for ensuring there is no more struggle to get safe drinking water. With the ability to eliminate microorganisms, it’s effective against bacteria, protozoans and microplastics. Therefore, no more stomach problems due to drinking contaminated water.

Besides, the filter is available with a gravity bag. This means you don’t have to carry a container to filter water. The bag is made from safe materials that ensure there is great safety from harmful particles. Fitted with carbon capsules, they are efficient in removing lead, chlorine, and other toxic particles found in water. With performance exceeding EPA standards, the filter is the right device to make your outdoor successful.


  • Exceeds EPA standards
  • Large water gravity bag
  • Compact and long-lasting
  • Versatile container compatibility


  • Slow filtering process

7. GRAYL Geopress Water Purifier for Travel

GRAYL Geopress Water Purifier for Travel

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Grayl Geopress is one of the reliable ways to get all the impurities from drinking water. Especially when traveling, it allows the user to enjoy safe water anywhere in the world. Due to its compact nature, the purifier is tasked with ensuring there is no more struggling to carry. In fact, its handheld, which ensures it can fit in the smallest protects in your backpack. Enhanced with non-slip and drop resistant casing, the filter is reliable in extreme conditions. The filtration system is super safe and removes all water pathogens and other impurities.

The filter comes with unrivaled speed. This ensures no limitation or stains when drinking water. With 710ml purifying speed, the purifier ensures you get ample water to keep the body perfectly hydrated. This ensures it is reliable and fast compared to other devices on the market, since it comes fully assembled, the device is ready for use. It doesn’t need batteries or chemical additions hence maintaining water tasting great.


  • Simple to use
  • Fast water filtering process
  • Removes pathogens and heavy metals


  • A bit costly than rivals

6. Survivor Filter 0.05 Micron Straw with a Cleanable UF Membrane

Survivor Filter 0.05 Micron Straw with a Cleanable UF Membrane

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Having a survival filter helps to keep you safe from dirty water body problems. Survivor filter is one of the ultimate choices that people should have when travelling or hiking. The device eliminates the need to carry water, treating chemicals, or bottled water. With the ability to filter out viruses, bacteria, and other organisms, its a great way to enjoy clean and safe water. Unlike other filters, this is reusable since it comes with removable filters. Therefore, it saves you money as well as the environment.

The membrane filter is designed to last for long before replacement. Also, the carbon filters are replicable, making the whole unit a great option for every outdoor excursion, travels, or emergencies. The ultra-light body and guarded mouthpiece ensure there is a superb performance when using this filter. With the ability to be screwed on any water tap, bottle and others, it’s a versatile filter ready to make your water safe.


  • Ideal for most taps and bottles
  • Replicable filters
  • Lightweight and durable body


  • Can be hard to suck water

5. Katadyn Vario Dual Technology Microfilter Water Filter

Katadyn Vario Dual Technology Microfilter Water Filter

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Katadyn Vario is one of the large and ideal options when you want the whole group to enjoy clean water. It can filter ample water hence no need for everyone to carry individual filters. Unlike the small ones, this has a pump that helps to accelerate the water flow. Therefore no waiting for long before you can get ideal drinking water. With efficient filter, it eliminates large and small particles. Moreover, activated charcoal offers efficient b removal of heavy metals and pathogens.

With glass fiber filters, they are efficient and reliable for a long time. Despite the complex filtration design, the filter delivers 2 quarts of water per minute. This ensures there is sufficient quality to ensure there is no more struggling to get clean water while outdoors. With dual-piston technology, the device provides maximum output with minimal effort. Overall, the water purifier is reliable and compact for all your drinking water needs outdoor.


  • Fast water filtration
  • Dual pistons for maximum water flow
  • Comfortable handle
  • Replicable carbon filters


  • Less filtering power than rivals

4. Etekcity Camping Water Purification Portable Water Filter

Etekcity Camping Water Purification Portable Water Filter

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There is a need to ensure all water is safe to drink, whether at home or outdoors. Etekcity camping portable water filter is a reliable way to ensure everyone has clean water. It’s a lightweight and portable device with high efficiency. In fact, with exceptional reliability, the filters and kill all the microorganisms in water. To ensure performance, the device is tested by relevant authorities; hence there are no trials and errors. The purifier delivers exceptional quality water, thus a great way to enjoy camping.

The ability to filter out anything large than 0.01 micron, it doesn’t take chances when it comes to keeping the water clean. With an inline set of different types of filters, they ensure 99.99% filtration. As a result, the device is ideally suited for emergencies as well as travels. The good thing is the device can be used for direct drinking without causing dirt infiltration. It has cotton pads on the mouthpiece hence excellent water filtration.


  • Inline filter arrangements
  • Mouth spout cap
  • Fast filtration rate


  • No pumping action

3. Survivor Filter PRO Pathogens and Heavy Metal Tested Water Filter

Survivor Filter PRO Pathogens and Heavy Metal Tested Water Filter

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Surviving in the jungle can be tricky. From comfort to proper body rehydration, it can be challenging. The Survivor Filter portable water purifier is making your b camping life simple. It is a highly efficient pump with 0.01-micron filters. They make it possible to enjoy pathogen and heavy metal-free water. Therefore, for places with unpalatable water, this unit helps to make it drinkable and amazing. It’s the super-efficient filters that help to keep away dirt and heavy metals

The durable construction and efficient performance make the purifier one of the reliable options. In fact, with pumping action, no waiting for minutes to get enough water to drink. Amazingly, it offers 500 ml per minute, which is great compared to other filters. The rate allows the device to be great for a group of campers instead of carrying many filters. Built from safe materials, the device is one of the reliable ways to clean water.


  • Increased flow rate per minute
  • Durable and safe materials
  • Simple water pumping


  • Filters aren’t reusable

2. Sawyer Products Mini-Water Filtration System

Sawyer Products Mini-Water Filtration System

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Surviving in wilderness calls for the use of tricks and hacks. Sawyer products water filtration system offers everyone the ability to enjoy clean water while in the jungle or traveling. Whether in domestic or international travel, the device helps you get clean water and eliminate worries about water-borne diseases. With premium-quality filters, they are great and provides filtration up to 0.1 microns. Thus, it’s efficient against all water microorganisms. With each device tested individually, there is reliability when you think about efficiency and reliability.

Besides the filter, it comes with necessary accessories that are great for keeping your water perfectly cleaned. It has a pouch as well as a plunger to enhance easy filter cleaning. This filter is rated 10000 gallons meaning it allows everybody to enjoy safe drinking water without stress. As a result, the durable design allows for fewer replacements than others.


  • Durable filters than rivals
  • Easy to use cleaning plunger
  • Highly tested


  • Not suited for heavy metals

1. LifeStraw Personal-Portable Water Filter

LifeStraw Personal-Portable Water Filter

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LIfeStraw portable water filter is handy and perfect for use outdoors and during emergencies. Unlike most of the filters, this has excellent reliability hence exceptional choice. The compact and easy to carry filter delivers great reliability and filtering ability. It is simple to carry in small bags since it doesn’t have a large size. Moreover, it can filter up to 1000 liters of water before replacing it. This saves you iodine tablets or bottled water when hiking or camping.

The 0.2-micron filters are tasked with the removal of 99.99% microorganisms in water. Whether bacteria, virus or protozoans, the filter is a great option. In fact, the filters are designed to EPA standards hence offering safe to drink water. The microfiltration membrane and reliable construction ensure high safety.


  • Efficient filters
  • Exceptionally light
  • Direct drinking water


  • Doesn’t filter slat


Portable water filters are great and reliable ways to enjoy clean water. They keep users away from chemicals hence natural tasting water. With different designs and performance, it’s time to pick the best. With these featuring survival water filters, they make your outdoor experience amazing.

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