Logo

Pure, Safe Drinking Water Anywhere: The Ultimate Fast-Flow Gravity Filter Straw System

Effortlessly purify stream and river water on your outdoor adventures. PurxStrawi uses advanced 0.1-micron hollow-fibre filtration to eliminate 99.9999% of impurities, delivering 1 gallon of crisp, clean drinking water in 5 minutes without any pumping.

  • 0.1-Micron 4-Layer Ultra-Purification
  • Filters 1 Gallon in Just 5 Minutes
  • Durable Food-Grade TPU Reservoir
  • Drink Directly or Hang Gravity Bag
Hero product

-50%

Limited Time 50% Discount Applied

Save 50% OFF Now
Hero product

AS SEEN ON

Media logos
logo-icon-08.png__PID:76f33a73-96db-46b5-93a3-ea75098579ee
logo-icon-02.png__PID:477dfb76-f33a-4396-9b66-b513a3ea7509
logo-icon-10.png__PID:3a7396db-66b5-43a3-aa75-098579ee7d5b
logo-icon-04.png__PID:7dfb76f3-3a73-46db-a6b5-13a3ea750985
logo-icon-01.png__PID:45477dfb-76f3-4a73-96db-66b513a3ea75
logo-icon-06.png__PID:fb76f33a-7396-4b66-b513-a3ea75098579

Why Hikers, Preppers, and Campers Trust PurxStrawi for Pure Hydration Outdoors

Benefits 1

Effortless Rapid Gravity Filtration

Say goodbye to exhausting hand pumps. Simply fill and hang the 1-gallon reservoir from any tree, letting gravity deliver crisp, clean hydration in just 5 minutes so you can relax after a long trek.

Medical-Grade 0.1-Micron Purity

Our advanced 4-stage filter combines hollow-fibre membranes and coconut shell carbon to eliminate 99.9999% of contaminants, sediment, and foul odours from any natural freshwater source.

Benefits 2
Benefits 3

Ultra-Light & Packable TPU

Engineered from tough, flexible food-grade TPU, the leakproof reservoir rolls up tightly to fit neatly into your rucksack without adding unnecessary weight on challenging summit trails.

Rated 4.9/5 by Over 12,000 Adventurers and Survivalists

Over 12,000+ Verified 5-Star Reviews

PurxStrawi Gravity Water Filter Straw System – Instant Safe Water Anywhere

Equip your wilderness expeditions with rapid, reliable water purification. Lightweight, highly packable, and completely effortless without manual pumping required.

  • Removes 99.9999% of impurities
  • Filters 1 Gallon in under 5 minutes
  • BPA-free flexible food-grade TPU bag
  • Versatile direct straw or hanging

£49.00

£98.00
  • Guaranteed Safe Checkout
Payment
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
PurxStrawi
Trust badge 1
Trust badge 2
Trust badge 3
Trust badge 4

"PurxStrawi offers unmatched convenience for outdoor expeditions. Its gravity filtration eliminates physical strain while the 0.1-micron filtration provides uncompromising safety from wild water sources."

Dr. Arthur Davies, Research Specialist

Trust expert

Why Choose PurxStrawi

Engineered for Peak Reliability in Remote Wilderness

The Complete Outdoor Hydration Solution

image_25 (1).webp__PID:a74d5a4c-1774-4edc-9818-b6f36a711e0a

Zero Pumping Required

Hang the reservoir and let gravity do the work. Purify 1 gallon of crisp drinking water in 5 minutes with zero physical effort.

image_25 (1).webp__PID:a74d5a4c-1774-4edc-9818-b6f36a711e0a

4-Stage Microfiltration

Hollow-fibre membrane and active coconut carbon eliminate 99.9999% of harmful contaminants and foul tastes from murky streams.

image_25 (1).webp__PID:a74d5a4c-1774-4edc-9818-b6f36a711e0a

Dual-Use Utility

Drink straight from the stream via the straw or connect the gravity bag to hydrate your entire base camp with ease.

Why choose product
image_26.webp__PID:dba74d5a-4c17-44fe-9cd8-18b6f36a711e

Food-Grade Tough TPU

Puncture-resistant, leakproof, and food-safe reservoir bag folds completely flat to conserve critical rucksack space.

image_26.webp__PID:dba74d5a-4c17-44fe-9cd8-18b6f36a711e

Emergency Disaster Ready

A vital survival safeguard for unexpected power outages, floods, and remote off-grid emergency preparedness kits.

image_26.webp__PID:dba74d5a-4c17-44fe-9cd8-18b6f36a711e

Complete Ready Kit

Comes packed with straw filter, gravity bag, quick-connect extension hose, durable strap, and compact carry pouch.

In The Field

Gallery 1
Gallery 2
Gallery 3
Gallery 4
Gallery 5
Gallery 6
Gallery 7
Gallery 8
Gallery 9
Gallery 10
Gallery 11
Gallery 12
Gallery 13
Gallery 14
Gallery 15
Gallery 16
Gallery 17
Gallery 18

What's Included in Your Kit

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

1x Gravity Water Bag

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

1x Water Filter Straw

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

1x Extension Hose with Clip

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

1x Carrying Strap

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

1x Storage Pouch

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

image_27.webp__PID:fe566644-d341-4ed9-9c29-c06944138121

Package main
Support badge

30-Day Money Back

Try PurxStrawi risk-free on your next hiking or camping trip. If you are not completely satisfied with its speed and pure taste, return it for a prompt, no-fuss full refund.

Frequently Asked

Everything You Need to Know

How long does filtration take?

PurxStrawi gravity system effortlessly purifies a full 1-gallon reservoir in roughly 5 minutes, delivering rapid hydration without exhausting manual pumps.

What contaminants does it remove?

The 0.1-micron hollow fibre membrane and coconut carbon block remove 99.9999% of impurities, micro-particulates, unpleasant odours, and turbid taste.

Can I drink directly from it?

Yes, you can use the filter straw directly at rivers or attach the included extension hose and gravity bag for hands-free basecamp use.

Is the TPU material safe?

Absolutely. The reservoir is made from 100% food-grade, BPA-free TPU designed to withstand tough outdoor pressure without leaching harmful chemicals or unwanted flavours.

How do I clean and store it?

Simply backwash clean water through the filter straw after use, let the TPU bag air dry completely, and pack everything into the provided compact travel pouch.

How heavy is the entire kit?

The complete kit is ultra-lightweight and packable, rolling down neatly to take up minimal room inside your outdoor rucksack.

Is it suitable for prepping?

Yes, it is an essential piece of emergency equipment for storm blackouts, natural disasters, and long-term wilderness survival preparations.

What is included in the package?

You receive 1x 1-Gallon TPU Gravity Bag, 1x Water Filter Straw, 1x Extension Hose with Clip, 1x Adjustable Carrying Strap, and 1x Protective Storage Pouch.

Verified Feedback

Loved by Hikers & Outdoor Campers

Testimonial 1
Testimonial 2
Testimonial 3
Testimonial 4
Testimonial 5
Testimonial 6

Oliver H.

PurxStrawi made our Lake District trek so much easier! Filling a gallon in 5 mins while we set up camp was a lifesaver. The water tasted completely crisp and clean.

Verified Buyer

trustpilot_2.png__PID:0ed4fc94-9698-426a-a3a9-56dff42ff0c7

Charlotte B.

No more aching arms pumping water from murky rivers. This gravity filter worked flawlessly on our 4-day hike. Folds down tiny in my pack and feels very sturdy.

Verified Buyer

trustpilot_2.png__PID:0ed4fc94-9698-426a-a3a9-56dff42ff0c7

James P.

An absolute must-have for hiking and survival prepping. Super fast flow rate, rock-solid TPU material, and totally leakproof. Essential gear for any serious adventurer.

Verified Buyer

trustpilot_2.png__PID:0ed4fc94-9698-426a-a3a9-56dff42ff0c7