Top 10 Best platypus water filter in 2026

Last Updated - 6/24/2026

🏆Best Choice

Sawyer Products

Sawyer Products SP129 Squeeze Water Filtration System w/ Two 32-Oz Squeeze Pouches, Straw, and Hydration Pack Adapter

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Lightweight, easy to use portable water filter removes harmful bacteria, protozoa, cysts, sediment, And 100% of microplastics; Perfect for outdoor adventures, travel, or emergency preparedness
•High-Performance 0.1 micron absolute inline filter fits in the palm of your hand and weighs just 2 ounces
•100% of squeeze units individually tested three times to performance standards by sawyer
•Removable cap; Filter water straight Into mouth or bottle from included pouch; Also fits standard water bottles with 28 mm threads; Use in gravity system
•Includes two reusable 32-Oz, BPA-Free collapsible pouches that roll up tightly for easy packing, drinking straw, one set of Sawyer inline hydration pack adapters for filter, and mesh storage bag

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$45.95

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Waterdrop

Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for Travel, Backpacking and Emergency Preparedness, 1.5 gal Bag, 0.1 Micron, 5 Stage Filtration

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•5-Stage Efficient Filtration: With adoption of premium-quality coconut shell activated carbon, 0.1 um ultrafiltration membrane and other raw materials, the Water Filter Straw can effectively reduce harmful substances like chlorine, particulates, sediment, stones, sand, dirt, bad taste &odor in water to ensure the water safety and deliver better drinking experience.
•Professional Combination: Waterdrop Gravity Water Filter Straw with 1.5 gal Gravity-Fed Water Bag is an exclusive water purification combination created for outdoor activities and first aid survival. The large-capacity water bag can hold up to 1.5 Gallons of water at a time, which is about 11 bottles of 500 ml bottled purified water, and can meet the all-day demand for outdoor water drinking.
•Longer Lifespan: The Waterdrop Filter straw can provide safe drinking water up to 1,400 gallons (5,300 liters), and ensures the maximum water flow rate of up to 700 ml/min to provide more relaxed outdoor water drinking experience.
•Recyclable Straw: With innovative backwash purifier function, the inside of the Water Filter Straw can be kept clean at all times and it is recyclable, safe and pollution-free. If the water flow decreases or the filter has been used for a long time, you can remove the mouthpiece, flush it with clean water. (Standard water bag can be used or pop bottle with thread diameter of 27.5mm can be filled clean water for backwashing the filter straw.)
•Versatile Uses: The Water Filter Straw can be connected with water bags or water bottles to filter water for drinking. Both ends of it can be disassembled and connected with the water bags and the water bottles to offer you clean drinking water anytime anywhere.
•Warm Prompt: If the gravity bag is used to filter water, turn on the drainage valve first to empty air from the hose before connecting with the straw to avoid no water flow in a vacuum state.
•Multi-scene Application: As a necessity for outdoor water purification, the Waterdrop Gravity Water Filter Straw is applicable to hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations.

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$31.99

$42.99

-26%

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Platypus

Platypus Platy 2-Liter Ultralight Collapsible Backpacking Water Bottle

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Taste-free construction is BPA-, BPS-, Phthalate-, and PVC-free, and does not have any residual taste or retain flavors
•Ultralight material collapses and rolls up small enough to fit inside a pocket when empty, making it perfect for travel, camping, or backpacking
•Can be used as the clean bag when paired with a Platypus GravityWorks, QuickDraw System, or other lightweight backpacking filter
•Bottle has a stable base and stands up straight when full, while tapered design is easy to use
•Measures 7.5 x 13.8 in (19 x 35 cm) and weighs an ultralight 1.3 oz (36 g)
•Made in the USA

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$19.95

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Platypus

Platypus GravityWorks Replacement Filter Cartridge

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Replacement filter for Platypus GravityWorks water filter system
•Hollow fiber design meets EPA Guide Standard testing and NSF Protocol P231 to remove 99.9% of protozoa and 99.9999% of bacteria
•Microfilter lifetime of 1,500 liters depending on conditions and frequency of cleaning. Flow rate of 1.75 L/min
•Size: 1.8in x 5.8in (4.6cm x 14.7cm). Weight: 1.9 oz (0.05 kg)
•Made in the USA

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$76.95

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Platypus

Platypus Quickdraw Ultralight Backpacking Water Filter, Blue

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Compact, fast-flowing and compatible with a wide variety of water bottles and reservoirs, the QuickDraw is the best water filter for your personalized filtration system
•Thread design on the dirty side and the ConnectCap provide seamless compatibility with a wide variety of 28mm bottles and reservoirs including smartwater bottles, Cnoc bags, standard soda bottles, and more
•Super fast 3 liters per minute flow rate when squeezed and 1.75 liters per minute when used in a gravity water filter setup
•Easy to clean with no tools required, just a simple shake-to-clean or backflush to restore flow rates and remove debris
•Each filter is individually tested and meets the stringent NSF & EPA P231 protocol
•Attached clean side DrinkCap is optimized for direct drinking or pouring and creates a secure seal when closed. The soft-touch filter housing is grippy even when wet and won’t pick up dirt from the ground
•Ultralight weighing just 69 grams (2.4 ounces), measures 1.8 x 5 inches (5 x 13 cm) and includes dirty side cap, drink cap, and ConnectCap. Made in the USA

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$39.95

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Platypus

Platypus GravityWorks Group Camping Water Filter System, 6-Liter

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•High-capacity, gravity-fed, hollow-fiber water filter system ideal for group and family camping, outdoor adventures, and emergency preparedness
•Meets all EPA/NSF guidelines for removal of 99.9999% of bacteria and 99.9% of protozoa, including giardia, cryptosporidium, E. coli, salmonella, cholera
•No pumping required; reservoir fills easily and hangs from a tree to deliver six liters of filtered water for cooking and washing in under 4 minutes
•Includes 6-liter dirty water reservoir, 6-liter clean water reservoir, hollow-fiber microfilter, hoses, shutoff clamp, and storage sack
•Storage sack utilizes a PFAS-free DWR coating that is better for the environment and still keeps your filter dry
•Replaceable cartridge filters up to 1,500 gallons; produces flow rate of 1.75 liters/minute; kit weights 11.5 ounces; made in the USA

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$149.95

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Platypus

Platypus Quickdraw Ultralight 1 Liter Backpacking Water Filter System, ConnectCap & DrinkCap

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Ultralight and compact, the QuickDraw 1L system fits in almost any pocket making it perfect for backpacking, thru-hiking, and camping
•Wide mouth and handle allow for quick and easy filling at any water source making the included reservoir the perfect dirty bag for custom filter systems
•ConnectCap threads the clean side of the filter directly on to any 28mm water bottle, including smartwater, select Cnoc bags, soda bottles, and more
•Super fast 3 liters per minute flow rate when squeezed and 1.75 liters per minute when used in a gravity water filter setup
•Easy to clean with no tools required, just a simple shake-to-clean or backflush to restore flow rates and remove debris
•Hollow fiber filter is individually tested and meets the stringent NSF & EPA P231 protocol, ensuring the removal of 99.9999% of bacteria and 99.9% of protozoa
•Ultralight at just 3.3 oz (95 g), filter measures 5 x 1.8 in (13 x 5 cm) and reservoir measures 11.5 x 5.5 in (29 x 14 cm). Made in the USA

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$54.95

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Platypus

Platypus DayCap Water Bottle Filter Cap for Wide Mouth HydroFlask, Nalgene, and Yeti Water Bottles

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Transform your favorite wide-mouth Nalgene, HydroFlask, or Yeti Yonder water bottle into an effortless scoop-and-drink water filter with the DayCap
•Drink spout pulls water through the filter and provides a flow rate of 1 liter per minute, meaning you can use your water bottle like normal
•Hollow fiber filter is the same technology used in the most popular field-proven Platypus filter systems and lasts for 1,000 liters of "worst-case" water (replacement filters available)
•Each filter is individually tested and meet the stringent NSF & EPA P231 protocol, ensuring the removal of 99.9999% of bacteria and 99.9% of protozoa, while also removing sand, sediment, and microplastics
•Easy to clean with a simple shake of your bottle, it's the ideal lightweight and simple backpacking water filter
•Filter is detachable with a simple quarter-turn, allowing for spout-only use. Spout is optimized for drinking or pouring, while the carry loop is semi-flexible and sturdy
•Ultralight at just 2.6 oz (72 g) and measures 4.2 x 2.8 x 3.9 in (10.6 x 7 x 10 cm). Made in the USA

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$44.95

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Platypus

Platypus Quickdraw Ultralight 2 Liter Backpacking Water Filter System

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•An ultralight and versatile water filtration system for any backpacker or hiker, the QuickDraw 2L system is compatible with water bottles, reservoirs, or even drinking straight from the filter
•Wide mouth and handle allow for quick and easy filling at any water source making the included 2 liter reservoir the perfect dirty bag for custom filter systems
•ConnectCap and included hose allows the filter to easily fill any hydration reservoir with a CPC connection including the Platypus Big Zip Evo and most HydraPak Reservoirs, or it can thread directly onto any 28mm water bottle including smartwater, Cnoc bags, soda bottles, and more
•Super fast 3 liters per minute flow rate when squeezed and 1.75 liters per minute when used in a gravity water filter setup
•Hollow fiber filter is individually tested and meets the stringent NSF & EPA P231 protocol, ensuring the removal of 99.9999% of bacteria and 99.9% of protozoa
•Easy to clean with no tools required, just a simple shake-to-clean or backflush to restore flow rates and remove debris
•Ultralight at just 5.7 oz (161 g), filter measures 5 x 1.8 in (13 x 5 cm) and whole system packs down to a compact 7.4 x 3 x 2.8 in (19 x 8 x 7 cm). Made in the USA

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$74.95

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Platypus

Platypus GravityWorks Replacement Water Reservoir Kit, 4.0 Liter

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Water reservoir kit replaces worn or damaged Platypus GravityWorks High-Capacity Water Filter System or expands the capacity of an existing system
•Includes both a Dirty and Clean reservoir with quick-disconnect fitting
•Unique, dual-layer laminate combines a rugged exterior with a taste-free interior
•Measures 15 x 8 inches and weighs 6 ounces
•Limited lifetime warranty; made in the USA

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$81.95

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