Best Survival Water Filters [Portable] in 2022

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A survival water filter is a must-have if you want to be prepared for anything. Whether you’re hiking through the wilderness, camping in the backcountry, or just preparing for a natural disaster, having a water filter on hand can mean the difference between life and death. Even if there is no catastrophe, it’s always good to have a plan in place, and having filtered water available will help ensure your safety and comfort. Water filters are an essential part of any survival kit, as they allow you to drink water from any source safely. This guide will give you the rundown on the best survival water filters for 2022. I have used all the water filters in the list below and believe that the 4 Pack Water Filter Straw – Water Purifying Device is the best.

Also Read: 6+ Best Camping Water Filters

Best Survival Water Filters (Our Picks)

Water filters are one of the most essential survival items to own. When you find yourself in a survival situation, clean drinking water can be hard to come by. Even streams and ponds can look clean but can be loaded with harmful bacteria.

This list of the best survival water filters will help you choose the best water filter for your situation. Whether you need a water filter that is lightweight and compact or one that is heavy-duty and designed to handle almost any natural disaster, this list has something for you.

4 Pack Water Filter Straw – Water Purifying Device

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The 4 Pack water purifying device is a must-have for water purifying, camping, and emergency preparedness. It quickly transforms any water from lakes, streams, or rivers into drinking water by removing dirt and debris and reducing chlorine and odor. Made of food-grade aluminum alloy and ABS plastic, it’s lightweight and portable for everyday use.

Tested to ensure the removal of bacteria and parasites, the water filter straw is an ideal purifier for camping and travel. This straw filtration system filters up to 1,000 liters of contaminated water without iodine, chlorine, or other chemicals.

Key Features

The 4 Pack Survivor Filter Water Purifier Straw is reliable, durable, and convenient when there’s a need to drink clean water. It can be used in rivers, dams, creeks, flooded areas, storm drainage, or stagnant ponds. The product can also filter up to 1000 liters (264 gallons) of water. Each filter will provide an estimated 300 days of use.


The 4 Pack water purifying device is one to keep in your car or home, so you will never be without clean drinking water. It is lightweight, durable, and easily fits into your emergency kit or bug-out bag. It is 100% chemical-free and safe to use.

Membrane Solutions Straw Water Filter

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The Membrane Solutions straw filter water bottle makes contaminated water safe to drink. It is perfect for hiking, camping, and other outdoor activities. The straw filter bottle uses a high precision ultrafiltration membrane with a 0.01-micron pore size which removes harmful contaminants and reduces odor and chlorine from your water. This membrane water purifier is easy to use, lightweight and portable, and various colors.

Key Features

The Membrane Solutions water filter provides safe, clean drinking water in emergencies. It’s also great for outdoor activities such as backpacking, camping, hiking, and survival or programs to provide clean water. The lightweight straw is easy to carry, and it’s designed to fit in the mesh side pocket of most backpacks. Try it out for peace of mind on your next trip.


Perfect for camping and outdoor activities, this straw-style filter turns any water source into fresh drinking water. The compact and lightweight design makes it ideal for travel, including international trips. Each filter can purify up to 1,500 liters (396 gallons) of water and contains no chemicals or moving parts.

Membrane Solutions Gravity Water Filter Pro 6L

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Membrane Solutions Gravity water filter pro is the best choice for personal hydration, camping, backpacking trips, or making your favorite bottle of premium water taste fresher. Simple setup and convenient design make it easy to start using your high-capacity water purifier.

The gravity water filter pro from Membrane Solutions is a high-quality, extremely durable system for filtering virtually any kind of water. With its 6 liter capacity, it is suitable for groups and families and home use. This portable BPA-free water purifier has an advanced hollow fiber membrane and a 2nd stage activated carbon fiber filter that will provide you with clean, safe drinking water anywhere anytime.

Key Features

The high-efficiency gravity water filter system is designed for daily use with easy operation and great water elements. The cartridge removes bacteria from municipal water supplies and private well water to produce delicious water for the kitchen, cooking, and brewing.

The MBR technology boosts a fast diffusion rate and lower osmotic pressure on the membrane surface, which results in lower energy consumption and longer service life than traditional RO membranes. The system produces up to 625 gallons at a flow rate of 0.50 gal per minute and has an average capacity of 77 gallons per hour based on 2 minute contact time.


The gravity water filter pro is the only gravity filter available on today’s market that filters out virtually all harmful bacteria, heavy metals, and other toxins through a filtration process that takes place using four different membranes, each specifically designed to screen out a diverse range of particles from water effectively. All components are BPA-free and made of 100% food-grade certified materials. The large capacity 6L tank is perfect for any home or small office use. This system includes both sediment and active carbon pre-filter that further extend the lifespan of your system.

5 Emergency Survival Water Straws

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Each of the emergency survival straws is individually sealed for safety. Each straw filters up to 275 gallons of water and stops 100% bacteria, viruses, harmful chemicals, and heavy metals.

You never know when disaster will strike. Be prepared with these emergency water straws that allow you to turn 10 gallons of otherwise unusable water into potable water. Each straw is individually sealed and has five years shelf life. It’s ideal for 72-hour kits and bug-out bags.

Key Features

The straws make it easy to store water for an emergency by filtering up to 99.99% of impurities and contaminants that may cause illness. This straw is designed to be compact, making it easy to fit into a glove compartment or home first aid kit so that you are always prepared, whether in the office, car, at home, or outdoors. It also shines in emergencies such as blackouts or natural disasters where clean drinking water is not readily available.


Keep clean water on hand when you suddenly find yourself in an emergency. Each straw is a high-speed, ultralight personal water filtration system that cosmetically and bacteriologically purifies water. It’s ideal for hiking, camping, fishing, and other outdoor activities.

FS-TFC 4-Stage Portable Water Filter Pump

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Ideal for camping, hiking, and emergency use, the integrated FS-TFC 4-stage water filter pump is designed to remove up to 99.9999% of bacteria (including E-coli), 99.9% of protozoa (including giardia), and much more from fresh-water sources to provide you with clean, drinkable water.

The pump comes with a 4-stage filter system. Use it at home, in your RV, or even in the wilderness to have safe, clean drinking water wherever you go. It is ideal for emergency preparedness and ensures you have a plentiful amount of safe drinking water. The filter can be mounted on the wall to increase stability and provide 5 gallons of clean water per hour.

Key Features

This water filter removes a wide range of dissolved solids, heavy metals, and microbial contaminants from river water, stream water, lake water, or pond water. The FS-TFC Doulton brand ceramic cartridge will last for around 2,000 liters or 500 gallons. This makes it suitable for emergencies where purified drinking water is not available.


This 4-stage portable water filter helps ensure that you and your family get the cleanest, safest drinking water when at home or on outdoor adventures. Replaceable activated carbon filters eliminate chlorine, odor, and taste while also removing large particles like mud, silt, and rust. Hollow fiber ultrafiltration membrane removes 99.9% of microplastics down to 0.1 microns in size and 99.9999% of bacteria (like salmonella). The replaceable post-filter removes any taste from the carbon filter.

8 Pack Water Filter Straw

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The 8 Pack Water Filter Straw is an easy-to-use, durable, and convenient straw-style water filtration system. This product will remove parasites and bacteria that may be found in the water. An inner carbon filter removes 99.9% of Lead, Chlorine, Chromium 6, Mercury, and Aluminum. In comparison, the Ultra Filter hollow fiber membrane filter will remove 99.9999% of Staphylococcus Aureus and 99.9% of E Coli, Giardia, and Cryptosporidium Oocysts as well as any other particulate larger than 0.1 microns (1/256 of a human hair).

This product is convenient for hikers, campers, and emergency survivors who may have access to rivers or lakes containing bacteria or parasites. Although this water filter can be used directly from a river or lake with its sucker and hose attachment, it can also be used on a stagnant pond or other dirty water by using the included bucket adapter.

Key Features

This 8 pack water filter straw is an excellent item for emergencies. The filters remove harmful bacteria, viruses, and cysts from the water, making it safe to drink even in the worst situations. This straw comes in handy when water quality is suspect or when you need to drink water from a puddle, stream, or river.


This 8-pack of water filter straws removes 99.9999% of bacteria and is an excellent addition to your bug-out bag. It is also helpful for hiking, camping, travel, fishing, and more. Each drinking water filter straw is individually sealed.

Ideal for backcountry and emergency use, each water filter can filter up to 1000 liters of contaminated water without chemicals or iodine. Use it for drinking from your bottle, cup, or directly from a water source. It also has no aftertaste, is BPA-free, and contains no chemicals.

Purewell Water Purifier Pump

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Tap water is not always the best option; that’s why the Purewell water purifier pump is so valuable. Perfect for travel and outdoor camping, this purifier features an ergonomic design that can be easily connected to most water bottles and PET containers.

This is a product that no outdoor adventurer should leave home without. It is a fantastic tool that can turn any water source into safe, purified water, no matter the quality of the source water. It can attach to almost anything, including water bottles and hydration packs, or your containers, so you always have clean water with you as you travel.

Key Features

Enjoy the benefits of safe, clean water with the Purewell water purifier pump. Providing the convenience of a home tap system and the portability of a water bottle, this pump is perfect for outdoor activities like camping or fishing, as well as indoor use in your home or office.


With the Purewell water purifier pump, you can enjoy clean water without the waste or expense of disposable bottles. This water pump turns most bottles into an instant water dispenser and fits standard-sized water cooler jugs. The stylish design makes it a great addition to any home or office kitchen.

Why Use a Water Filter?

Keeping hydrated is essential, especially when you’re in the middle of a hike or are on some other type of outdoor adventure. But if you’re not careful about where your water comes from, you could make yourself sick—or even worse.

If you think that water must be safe to drink just because it’s out there in nature, then think again. There are several ways that water can become contaminated by naturally occurring and manufactured elements that can cause illness. Waterborne illnesses can be fatal. There have been instances where people have died from drinking untreated water. Campylobacteriosis, giardiasis, and cryptosporidiosis are three common causes of diarrhea contracted by drinking contaminated water.

In addition to these risks, if you’re traveling to a foreign country, drinking local water can expose your body to bacteria that it’s not prepared for. This can lead to symptoms like nausea and vomiting. To protect yourself from these types of dangers while still enjoying nature, we recommend using a water filter designed specifically for outdoor activities such as hiking and backpacking.

When you’re enjoying the great outdoors, you don’t want to have to worry about whether your water is safe to drink. But if you’re relying on untreated sources like lakes, streams, and ponds, you’re putting yourself at risk of getting sick. With a water filter, though, you can have peace of mind that you’ll be able to drink any water source safely.

Why Do I Need A Water Filter For Outdoor Activities?

Most natural water sources in the US are safe to drink without treatment. However, these waters may contain pathogens that can make you sick. A water filter is an easy way to ensure the safety of your drinking water by removing harmful contaminants from the water so that it’s safe for drinking.

How Does A Water Filter Work?

How Does A Water Filter Work

The filter uses hollow fibers with pores that are small enough to trap bacteria and other contaminants but large enough for clean water molecules to pass through. As the dirty water flows through the pores in the membrane, only pure molecules are allowed through and into your container.

What Kind Of Contaminants Do They Remove?

A typical backpacking filter will remove protozoa (Giardia lamblia), bacteria (E. coli), and viruses (hepatitis A). Some filters also remove sediments such as hair and dirt.

Types of Survival Water Filters

Survival water filters are an essential part of any emergency kit. Several types of filters can be used, and each one has its advantages and disadvantages.

Here are the most common types of survival water filters:

Portable filter: A portable filter is a small filter that will allow you to pump clean water from a source and drink it directly or fill up a container with it. They can be stored in backpacks, bug-out bags, or even pockets. The most significant disadvantage to this type of filter is that it requires electricity to work correctly. These filters are also costly and require regular maintenance. The upside is they’re easy to use and can last for years if maintained correctly.

Ultraviolet light sterilizer: An ultraviolet light sterilizer is designed to kill bacteria by exposing them to UV light. This process doesn’t remove any contaminants from the water, but it does make it safe for drinking. If you have to drink contaminated water because there’s no other choice, this is your best bet. The downside is that these filters aren’t very effective at removing heavy metals or chemicals because they don’t remove any particles from the water; they kill it all!

Other types are gravity water filters, straw water filters, pump water filters, and faucet water filters. You can also get chemical treatments for your water or ultraviolet light treatments to kill microorganisms, but those are considerably less effective than mechanical filtration and can cause problems with some chemicals.

Also Read: 10+ Best Emergency Water Storage Containers in 2022

Gravity Water Filters

A gravity filter is a large-capacity filter that you hang up somewhere high and let gravity do the work of draining dirty water through the filter slowly. They’re convenient because you don’t have to sit around pumping the whole time you want to drink, but they can be heavy, and it’s much more challenging to move them from place to place if you’re on the move.

Straw Water Filters

A straw filter is a small tube with a filter in one end and a cap on the other end. They’re light and fit easily in your pocket, but they require that you suck directly out of the source of dirty water through the filter, which can be difficult after you’ve been sucking for a while. They’re also only suitable for drinking—you won’t be able to use these to cook with or give anyone else a drink.

Buying Guide: Things To Consider When Buying a Water Filter

These days, we’re all concerned about what’s in our water – and for a good reason. It can be hard to know which substances are harmful and how much of each substance is too much between the chemicals, heavy metals, and bacteria. If you’re thinking about buying a water filter for your home or office, consider these things:


There are many different water filters, and their price tags vary widely. You should decide on how much you are willing to spend first. Then you can narrow down your options to the ones that fit within your price range.

Product Safety

Another thing to think about is the safety of the product itself. You don’t want to buy anything that’s been recalled—even if it’s cheap, it’s not worth the risk.


Does this product meet your needs? If you’re looking for something easy to transport, make sure it’s not too heavy or large. If you need something big enough to fit under your sink, make sure it has a large tank capacity.

When you’re looking for a water filter to install in your home, you want to make sure that the model you choose is going to do what you need it to do. After all, water filters are pretty expensive! So how do you know which one is right for you?

Here are some things to consider:

What Kind Of Water You Need?

Some people just want to remove chlorine from their drinking water, while some need to remove lead or other heavy metals that are hazardous in even very small amounts. Some people have additional concerns as well. Do you have any particular needs that must be met? If so, then you’ll want to make sure that the filter can handle them.

Where Will It Go?

Some filters aren’t huge, while others are quite large; some are designed to be hung on a wall while others sit on a countertop. Where will your new filter go? Make sure that it’s something that suits your needs.

Also Read: Best Camping Gear: The Complete List


How long does a survival water filter last?

The survival water filter is a great tool to have with you on any camping trip or hike. Not only can it be used to filter water, but it can also be used to provide emergency hydration in the event of a disaster or other emergency during which your local water supply becomes contaminated.

But how long can you rely on the survival water filter? It depends mainly on the brand, but most filters can last up to 20 gallons without replacing. When you’re filtering water, the average person will drink about a gallon of water per day, which means that one filter should last you 20 days.

If you’re using your filter in an emergency and not drinking as much water, as usual, it could last even longer. If you’re concerned about running out of clean drinking water, it’s always good to have a backup filter available as well (just remember not to open the package until it’s time to use).

Which water filter removes the most toxins?

There are many different types of water filters on the market, each designed to target certain toxins and contaminants.

A carbon filter is designed to target chemicals and organic compounds. Activated carbon is usually used to attract and trap contaminants as they pass through the filter. The most common type of carbon filter is a granular activated carbon filter which uses a medium, such as an inert substance like gravel or sand, infused with activated carbon to hold the filter together. This filter is most effective at targeting chemicals in drinking water such as chlorine and VOCs (volatile organic compounds).

A reverse osmosis water filtration system forces water through a semi-permeable membrane under pressure, leaving contaminants behind. Some consider reverse osmosis filters to be the most effective method of filtering out impurities from drinking water. These filters are great for targeting chemicals such as salts and fluoride that don’t respond well to carbon filtration and substances like microorganisms that can pass through the pores of a carbon filter with ease.

Using ultraviolet light, the system kills microorganisms such as viruses and bacteria. This type of system does not remove contaminants from the water but instead kills them before you drink it.

How do you filter water for survival?

When you find yourself in a survival situation, finding water is one of the most important things you can do to ensure your safety. Unfortunately, the water you may find isn’t always safe to drink.

In the wilderness, you may encounter natural water sources like lakes, streams, or rivers. You can also find artificial sources like ponds, puddles, and even ditches. In urban areas with abandoned buildings and vehicles, you might find large amounts of standing water collecting in old bathtubs or potholes.

No matter where you are or what kind of water source you find, you must know how to make it safe for consumption. Here are some ways to filter your water:

The easiest way to turn dirty, potentially dangerous water into something you can safely drink is to boil it. Bring the water to a rolling boil for at least one minute—two if you’re above 5,000 feet. Let it cool, and then drink it. Water that has been boiled will be free of any microbes that could make you sick.

If boiling isn’t an option, you can also filter your water. This will remove debris and some bacteria and protozoa, but not viruses. The best type of filter to use in an emergency is a ceramic filter, which will last for years and won’t clog as easily as paper filters. If you don’t have a ceramic filter on hand, you can also use sand and gravel to strain out the big chunks of debris in your water—this method won’t remove small particles or bacteria or protozoa, so make sure to boil the water after straining it.

Final Verdict

With so many survival water filters on the market, how do you know which one will work best for you?

Most survival water filters are made of plastic, but some are made of metal. Plastic filters tend to be cheaper and a little more durable, while metal filters are usually more expensive and prone to breakage. Beyond that, you’ll have to consider your specific needs when choosing a filter.

Do you need something that can filter out large debris? Does it need to be able to purify water efficiently? Will you need to carry it around with you often?

When looking at the details of a particular filter, also look at what it can’t do. For instance, if it’s designed to remove heavy metals like lead, arsenic, or mercury from the water, it won’t help with chemical contaminants such as chlorine or benzene. In my opinion, the 4 Pack Water Filter Straw – Water Purifying Device from the list above is the best. I have used it more than the others and can vouch for its efficiency.

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