Skip to Content

5 Best Portable Filtered Water Bottles For Safe Drinking

5 Best Portable Filtered Water Bottles For Safe Drinking

Access to clean, safe drinking water is essential for good health whether we’re at home or on the go. The best way to ensure that you’ll have safe drinking water to stay hydrated when you’re out and about is by taking along a water bottle with a filter. In today’s post, we’re looking at the best portable filtered water bottles to keep us hydrated anytime we leave home.

Portable filtered water bottles provide a convenient and eco-friendly way to ensure access to clean water wherever you are. So, we’ve researched to help you choose the best water bottle with filter for travel.

What Is a Portable Filtered Water Bottle and How Does It Work?

A portable filtered water bottle is designed to provide on-the-go access to purified drinking water that’s free from harmful contaminants, regardless of the water source.

Whether you’re hiking, biking, kayaking, shopping, or just out for a Sunday drive, the best filtered water bottle for travel is one that assures you that no matter the water source, (a gas station, campground, creek, lake, random sink, etc.), the water is potable, safe, and clean.

A portable filtered water bottle includes some sort of built-in filtration system designed to remove contaminants and impurities. Inside the bottle, there’s a filtration device such as a membrane microfilter, an activated carbon filter, or a UV light filtration device. Whatever the method, it’s designed to reliably remove harmful impurities from the water before you drink it.

Not all filtered water bottles are the same, which is why it’s important to research any type you’re considering. The last thing you want is a bottle that doesn’t filter out all of the most harmful contaminants, giving you a false sense of security.

Typically, the way a portable filtered water bottle works is that the filtration device sits inside the bottle’s cap or straw so that the water in the bottle can be purified prior to drinking.

As you sip water through the bottle’s straw or drink through the spout (depending on the design of the bottle), the filtration system traps contaminants. The exact impurities removed depends on the type of filter used in the bottle, but often include bacteria, viruses, sediment, chlorine, and heavy metals. Even bad taste or odor can be eliminated when a good filtration system is used.

The goal of a good portable filtered water bottle is that only safe, purified water makes its way to your mouth.

What Are the Benefits of a Water Bottle With a Filter?

The most obvious advantage of portable filtered water bottles is that they provide safe, clean drinking water. Additional benefits include convenience, cost savings, and reducing single-use plastic water bottles, which are both expensive and bad for the environment.

Multiple single-use water bottles

Although some portable filtered water bottles might seem expensive at first glance, the money (and the environmental impact) saved over time is considerable, even if you include the cost of high-quality filters.

Water bottles with a good, reliable filtration system can safely purify water from a wide variety of sources including taps, streams, rivers, lakes, etc. Initially designed for hikers and other outdoorsy people, portable filtered water bottles have become popular with anyone who travels away from their home water source.

What to Look for In a Personal Filtered Water Bottle

When looking for a high-quality portable filtered water bottle, there are a few important features you’ll want to look for to make sure it delivers safe, clean water and meets your needs.

Type of Filtration

Consider the type of filtration used and whether you prefer one type over another. High-quality filtered water bottles typically use activated carbon, a membrane microfilter, or UV (ultraviolet light).

Each has its own pros and cons. One may purify water but not filter it. Another may require changing the filter more often. Some people don’t like straw filters because there’s more sipping effort required than they’d like.

Filtration Capacity

Speaking of replacing filters, you’ll want to check the filtration capacity of any bottle you’re considering so you’ll know how much water you can expect it to purify before the filter needs to be replaced.

Ease and Cost of Filter Replacement

You’ll want a bottle with a filter that’s easy to replace without special tools or effort. You’ll also want to consider the cost of replacement filters. It’s also best to choose a bottle that uses readily available filters so they’re easy to obtain when you need them.

Filter Flow Rate

Some bottles have a slower flow rate due to the type of filtration process used. As mentioned, although many people love bottles that use a straw filtration system, some don’t like them because the flow rate is slower, and effort is required to sip through the straw. Consider the flow rate (if available) if that’s important to you.

Contaminant Removal

This is one of the most important features you’ll want to focus on, especially if you’re likely to need extreme filtration and decontamination due to the water sources you may draw from when you travel.

When shopping for a filtered water bottle, be sure to note the contaminants the filter is designed to remove. Some filters are better at removing certain types of impurities. Consider the way you travel and what your water sources and water quality are likely to be, and choose a bottle that addresses your specific needs and concerns such as bacteria, chlorine, giardia, heavy metals, or sediment.

Water being collected from multiple sources

If you’re the type of traveler who may need to consume water from a variety of water sources including wild sources and those outside North America, you’ll want to consider some of the strongest filtration and purification bottles available for safety and peace of mind.

Bottle Material

Be sure to note what materials water purifier bottles are made from. Look for BPA-free plastic or other safe materials such as stainless steel, glass, or Tritan plastic. If you want your bottle to be dishwasher-safe, look for that as well.

Capacity and Size

Portable filtered water bottles come in a variety of capacities, typically from 12 oz to 32 oz or even more. If you’ll be carrying the bottle, keep in mind what type of pocket or holder you want it to fit into, how much it’ll weigh when full, and how much water you need to have with you at any given time.

Leak-Proof Design

Check the bottle’s cap design and user reviews to ensure that the one you choose uses a leak-proof design that works well to prevent spills.


When gear shopping, budget is often a factor. Keep in mind that some higher-priced bottles may come with additional filters or may use filters that are less expensive to replace. And of course, you simply get what you pay for sometimes.

What Are the Best Portable Filtered Water Bottles (2023)?

Based on the factors we’ve mentioned above, the following are several of the most popular filtered water bottles.

LifeStraw Go Water Filter Bottle

This water filter bottle from LifeStraw is BPA-free and features a built-in filter that’s effective at removing bacteria, protozoa, and other harmful contaminants, providing you with safe drinking water on the go.

The membrane micro filter can purify up to 1,000 gallons (4,000 liters) of water, and the activated carbon filter filters up to 26 gallons (100 L) when used and maintained properly.

This is a popular choice for both domestic and overseas travelers who rely on the LifeStraw brand.

LifeStraw Go Water Filter Bottle with 2-Stage Integrated Filter Straw for Hiking, Backpacking, and Travel, Clear
  • Durable & BPA-free. The reusable Life Straw go water bottle holds 22 Oz (650 ml) of water – fill up from a stream or tap and take your water with...
  • Long-lasting. Membrane micro filter lasts up to 1, 000 gallons (4, 000 L) and the activated carbon filter lasts up to 26 gallons (100 L) of water with...

GRAYL UltraPress Filter & Purifier

The GRAYL UltraPress is sold as a versatile on-the-go water filtration and purification system that’s effective no matter where in the world you travel. The UltraPress purifies 16.9 oz (500ml) of water in as little as 10 seconds.

It’s billed as being ideal for global travel and outdoor adventures because it removes all pathogens including 99.9% of viruses (e.g. rotavirus, norovirus, hepatitis A), 99.9999% of bacteria (e.g. E. Coli, salmonella, dysentery), and 99.9% of protozoan cysts (e.g. giardia, cryptosporidium, amoebae).

It also filters particulates such as sediment and microplastics and adsorbs VOCs (volatile organic compounds, PFAS, chemicals, pesticides, herbicides, heavy metals, flavors, and odors.

The GRAYL filtration and purification systems receive high marks from reviewers. You simply fill the bottle from any water source, set it on a surface, press, and drink safe, clean water.

GRAYL UltraPress 16.9 oz Water Purifier & Filter Bottle for Hiking, Backpacking, Survival, Travel (Coyote Brown)
  • ONEPRESS GLOBAL PROTECTION. Empowers international travelers and outdoor adventurers to make the world’s sketchiest water sources clean to drink....
  • REMOVES ALL PATHOGENS. 99.9% of viruses (e.g. rotavirus, norovirus, hepatitis A), 99.9999% of bacteria (e.g. E. Coli, salmonella, dysentery), and...

UltraPress replacement cartridges are available, too.

GRAYL UltraPress Replacement Purifier Cartridge - Black
  • COMPATIBILITY. Works with Grayl 16.9 Fl Oz UltraPress Water Purifier & Filter Bottle
  • REMOVES ALL PATHOGENS. 99.9% of viruses (e.g. rotavirus, norovirus, hepatitis A), 99.9999% of bacteria (e.g. E. Coli, salmonella, dysentery), and...

GRAYL also offers the GeoPress which is a larger version with larger filters. But that does make it larger and heavier to carry. Some reviewers consider it too bulky, though it’s still a favorite among travelers for its excellent filtration and quality.

It has a 24-oz capacity and a 3.4-inch width and weighs 15.9 oz without water.

GRAYL GeoPress 24 oz Water Purifier Bottle - Filter for Hiking, Camping, Survival, Travel (Black Camo)
  • PURIFY WATER ANYWHERE: Make sketchy water safe to drink. Ideal for outdoor adventures (hiking, camping, backpacking, fishing, hunting, bushcraft),...
  • REMOVES ALL PATHOGENS: Viruses (e.g. rotavirus, norovirus, hepatitis A), bacteria (e.g. E. Coli, salmonella, dysentery), and protozoa (e.g. giardia,...

GeoPress replacement filter purifier cartridges are available here.

GRAYL GeoPress Replacement Filter & Purifier Cartridge (Black)
  • COMPATIBLE WITH GRAYL GEOPRESS Water Purifier Bottle and One-Way Electrolyte and Drink Mix Valve (not included), this cartridge provides OnePress...
  • REMOVES WATERBORNE PATHOGENS, including viruses, bacteria, and protozoan cysts (e.g. rotavirus, hepatitis A, norovirus, giardiasis, cryptosporidium,...

Katadyn BeFree

Made of synthetic material, the Katadyn BeFree Water Filter Bottle has a 1.0L “hydrapak” soft flask that packs down compactly to fit in tight spaces such as jacket pockets, purses, backpacks, etc.

A 0.1-micron hollow fiber filter effectively removes bacteria, protozoa, and other contaminants from water sources. The bottle has a wide mouth for quick and easy filling, and one cartridge filters up to 260 gallons (1,000 liters) of water.

Katadyn BeFree 1.0L Water Filter, Fast Flow, 0.1 Micron EZ Clean Membrane for Endurance Sports, Camping and Backpacking, One Size, 8018006
  • HIGH-PERFORMANCE FILTER: The BeFree's 0.1 micron hollow fiber microfilter is tested to protect against harmful organisms, removing bacteria (99.9999%...
  • ULTRALIGHT & COMPACT: Ultralight at just 2.3 oz. (63 grams) The collapsible Hydrapak Soft-Flask allows for portability in tight spaces like running...

Replacement cartridges are available, too:

EZ-Clean Membrane Filter Cartridge for Katadyn Be Free Water Filters For Endurance Sports, Camping and Backpacking (8019641)
  • Replacement Cartridge: EZ-Clean replacement filter cartridge for all for all blue Katadyn BeFree Water Filtration Systems.
  • Freedom to Drink, Anytime, Anywhere: Perfect companion on camping trips, hike, trail runs, biking tours, fishing trips, and more!

Brita Insulated Filtering Water Bottle

Known for its household water filters, Brita’s Insulated Filtering Water Bottle uses a filter similar to a household Brita pitcher. It reduces chlorine taste and odor, as well as other contaminants.

Made of BPA-free plastic, this 36oz model is Brita’s largest water bottle, though it does fit in most car cup holders. It has a built-in carrying loop, easy open lid, and is top-rack dishwasher safe for easy cleaning.

The filter itself is the straw you sip water through. This isn’t the type of filtration and purification needed for drinking water from streams or other extreme sources, but it filters tap water well. That may sound unnecessary to some people, but RVers know how much unknown water sources can vary.

Brita Hard-Sided Plastic Premium Filtering Water Bottle, BPA-Free, Reusable, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Night Sky - 36 oz.
  • BRITA WATER FILTER BOTTLE: One 36 oz. BPA-free Brita Hard-Sided Plastic Premium Filtering Water Bottle with one filter that reduces chlorine taste and...
  • CUTS OUT IMPURITIES: Activated carbon block filter cuts the taste and odor of chlorine and also reduces particulates in drinking water; not a water...

The Brita bottle filter should be replaced after about 40 gallons of water.

Brita Water Bottle Replacement Filters, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Lasts Two Months or 40 Gallons, Includes 3 Filters
  • WATER FILTER: Three Brita Water Bottle Filters that let you enjoy great-tasting drinking water no matter where you fill your personal water filter...
  • CUTS OUT IMPURITIES: BPA-free filter removes class VI particulates and chlorine taste and odor in water while preserving certain healthy minerals and...

Brita also offers a stainless steel version of their insulated filtered water bottle:

Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.
  • FILTERED WATER DISPENSER: One 20 oz. BPA-free Brita Stainless Steel Water Bottle with one filter, a double-wall insulated bottle that stays cold for a...
  • CUTS OUT IMPURITIES: Activated carbon block filter cuts the taste and odor of chlorine and also reduces particulates in drinking water; not a water...

Survivor Filter Squeeze Kit with Collapsible Canteens

Survivor Filter Collapsible Canteens feature a BPA-free filter straw that says it removes 99.999% of viruses, staph, bacteria, and protozoa and reduces heavy metals according to NSF/ANSI standards.

The Survivor straw has a high flow rate and uses filters that can be cleaned and used again, lasting up to 264,000 gallons (100,000 liters) of triple filtration. The water purification straw can be used at any fresh water source, with any 28mm threaded bottle or water bladder.

This kit comes with two collapsible canteens, each of which holds 33oz (1L) of water. Carabiners are included to clip the canteens onto your belt or backpack.

Survivor Filter Squeeze Kit - Collapsible Bottle & Filter Straw - Viral, Parasite, Bacterial Filter
  • Portable Water Filter - A water purification straw that can be used at any fresh water source, with any 28mm threaded bottle or water bladder so that...
  • Take this water filter camping - Each canteen holds 33oz (1L) of water. Use the included sturdy carabiners to clip on to your backpack. The...

Depending on how and where you travel, these provide assorted levels of filtration that allow you to confidently drink from various water sources. Whether you’re hiking, traveling in remote areas, or simply want portable filtered water from any tap, be sure to stay hydrated!

If you want to ditch the cost, hassle, and waste of bottled water onboard your RV, do what we did… install a UV water purification system:

SAVE 10%
Acuva Logo
Acuva 10% Off - Discount Code RVGEEKS

Ditch the bottled water! Major cities sanitize their drinking water using ultraviolet light, and now you can, too. Acuva’s UV-LED system makes water safe to drink, using a fraction of the space...Show More

Ditch the bottled water! Major cities sanitize their drinking water using ultraviolet light, and now you can, too. Acuva’s UV-LED system makes water safe to drink, using a fraction of the space and power… perfect for RVs.

Check out our Acuva installation video here

Get 10% off any Acuva system when shopping online at Acuva's website and using the discount code listed here.

Show Less

Free RVing Tips, Tricks, Reviews & Giveaways

As 20-year full-timers, we share everything we’ve learned about RVing over the years. Join our online community to receive a wealth of great RVing knowledge delivered daily to your inbox.

Whether you’re a new RVer or a seasoned full-timer, you’ll love the wide range of RVing topics we cover. Don’t miss a single article or any of our famous Giveaways. Subscribe to our newsletter today!

We'd Love It If You Shared This!

This site uses Akismet to reduce spam. Learn how your comment data is processed.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

PLEASE NOTE: We're handy RVers, not professional technicians. We're happy with the techniques and products we use, but be sure to confirm that all methods and materials you use are compatible with your equipment and abilities. Regardless of what we recommend, consult a professional if you're unsure about working on your RV. Any task you perform or product you purchase based on any information we provide is strictly at your own risk.

We participate in affiliate programs from many companies (including the Amazon affiliate program), which provides a means for us to earn a small commission by linking to products there. But our opinions are our own and we only link to products we can recommend to friends with complete confidence. And using our links won't cost you an extra penny!